bad math

This page lists questions and answers that were posted by visitors named bad math.

Questions

The following questions were asked by visitors named bad math.

Dina computed the mass of 1,000 protons in grams. The calculator displayed the number 1.67E−21. What is the mass of 1,000 protons in scientific notation?
2 years ago
Jim’s music library on his phone holds 1,900 songs. The songs have an average time of 3.5 minutes. Use scientific notation to find the total number of seconds the playlist will play. Express the answer to the exact decimal place.
2 years ago
Subtract 4.66×10−5−7.34×10−7
2 years ago
Providing Graphics Quick Check 1 of 51 of 5 Items Question Why do writers add multimedia to an informational text?(1 point) Responses to help the reader comprehend the facts, comparisons, or details in the writing to help the reader comprehend the facts,...
2 years ago
The weight of an ant averages about 3×10−6 kg. There are about 1×1016 ants in the world. What is the approximate weight in kilograms of all the ants in the world? Write the answer in scientific notation.
2 years ago
What is 5.5×10^4 multiplied by 2.2×10^−8? Write the answer in scientific notation.(1 point) Responses 1.21×10^−5 12.1×10^−4
2 years ago
Answer questions from Math 8A unit 2 sudy Guide
2 years ago
using a number line what whole number and ratinal number is closest to the square root of 70
2 years ago
Using Relevant Details Quick Check 1 of 51 of 5 Items Question Which detail would be most relevant to this central idea? Summer is the most fun season, because there is so much to do. (1 point) Responses Some people burn if they stay in the sun too long....
2 years ago
An average American household uses about 1.04×10^4 kWh (kilowatt hours) of electricity a year. If a power station generates 2.496×10^10 kWh per year, how many households can it serve? Write your answer in scientific notation, expressed to the exact decima...
2 years ago
A rectangular park has an area of 1.36×108 ft2. The length of the park is 1.6×104 ft. Divide the area by the length to find the width of the park.(
2 years ago
What happened to the Arctic Ocean during the past 40 years?(1 point) Responses It has become warmer. It has become warmer. It has become less salty. It has become less salty. It has gained more sea ice. It has gained more sea ice. It has grown smaller.
2 years ago
for what value of b will 6x10^3 be 20 times larger than b x 10^2 A.2 B.3 C.4 D.5
2 years ago
Elections limit the power of which type(s) of government(s)? Select all that apply. (1 point) Responses constitutional monarchy constitutional monarchy constitutional republic constitutional republic dictatorship dictatorship oligarchy oligarchy totalitar...
2 years ago
For what value of a will 8×103 be 40 times larger than a×102?
2 years ago
Why was the Voting Rights Act of 1965 necessary? Select all that apply. (1 point) Responses Each citizen must be ruled by the same laws. Each citizen must be ruled by the same laws. Each citizen must be able to participate in government. Each citizen must...
2 years ago

Answers

The following answers were posted by visitors named bad math.

does anybody have the awnsers
2 years ago
kendra finds the dimensions of a sticky note. She uses a meter stick to determine that the dimensions are 1.25×10−8 meters wide by 2.5×10−6 meters long. Use scientific notation to write the dimensions in millimeters. whats the answer
2 years ago
In chemistry class, Carlos calculated the number of molecules in 100 moles. The calculator displayed the number 6.02E25. What is the number of molecules in 100 moles in scientific notation?
2 years ago
In government class, Nadia computed the amount of debt of the federal government after a third of it was paid in 1995. The calculator displayed the number 3.28E12. What is this number in scientific notation?
2 years ago
Sam is comparing the half-life of two isotopes of uranium. The half-life of Uranium-238 is 4.5×109 years. The half-life of Uranium-233 is 1.6×105 years. He computed how much greater the half-life of Uranium-238 is than that of Uranium-233, and his calcula...
2 years ago
The U.S. national debt was $2.9617×1013 in 2021 and $3.98×1011 in 1971. Find how much the debt increased in the 50-year period.
2 years ago
The U.S. national debt was $2.9617×1013 in 2021 and $3.98×1011 in 1971. Find how much the debt increased in the 50-year period. (1 point) Responses A. $2.9219×1013 B. $1.0183×1024 C. $3.0015×1013 D. $2.9219×1011
2 years ago
The size of a hydrogen atom is about 1.2×10−10 m across. The size of an oxygen atom is 0.000000000152 m across. What is the difference between the sizes of these atoms in scientific notation?(1 point) Responses
2 years ago
Platelets and red blood cells are components of the blood. A typical platelet and red blood cell have diameters of approximately 2.33×10−6 m and 0.0000075 m, respectively. Which blood component has a bigger diameter, and approximately by how much?(1 point...
2 years ago
China and India are the most populous countries in the world. China’s population is approximately 1.45×109, while India’s population is approximately 1,400,000,000. How many more people live in China than in India?(1 point)
2 years ago
hina and India are the most populous countries in the world. China’s population is approximately 1.45×109, while India’s population is approximately 1,400,000,000. How many more people live in China than in India?(1 point) Responses 5×109 5 times 10 super...
2 years ago
Question Why do writers add multimedia to an informational text?(1 point) Responses to help the reader comprehend the facts, comparisons, or details in the writing to make the organizational strategy more clear to show the reader why a topic was chosen to...
2 years ago
What can a writer do to connect a photo to the text?(1 point) Responses Include a caption describing the image. Include a caption describing the image. Put information about the photo in a graphic organizer. Provide a video about the same topic. Add addit...
2 years ago
Which graphic would be the best choice for describing a series of events?(1 point) Responses timeline graph photograph illustration
2 years ago
A Venn diagram would be best choice for which of the following?(1 point) Responses showing the overall growth in stock prices for a company comparing characteristics of two cities displaying the highlights of Jackie Robinson's life showing the devastation...
2 years ago
Maria is writing an informational text about the history of her town. She wants to show readers the way her school playground looked twenty years ago. Which graphic would be the best for Maria to use?(1 point) Responses timeline timeline photograph flowch...
2 years ago
that answer was wrong
2 years ago
The average human heart beats about 3.5×107 times per year. The current population of Massachusetts is about 7×106 people. About how many heartbeats occur in Massachusetts per year? Write the answer in scientific notation. Express the answer to the exact...
2 years ago
that answer is wrong
2 years ago
3.5x10^7+7x10^6
2 years ago
The sun generates about 4×10^26 joules of energy every second. There are about 3.15×10^7 seconds in a year. About how many joules of energy does the sun generate in a year? Write the answer in scientific notation. Express the answer to the exact decimal p...
2 years ago
The average newborn weighs 7.5 pounds. About 4.1×10^6 babies are born in the United States every year. What is the approximate total weight in pounds of all the babies born in the U.S. in a year? Write the answer in scientific notation, expressed to the e...
2 years ago
In a given year, about 1.52×10^10 pieces of first-class mail are delivered in the U.S. If each piece of mail carries a stamp costing $0.55, what is the total cost in dollars to deliver all the pieces? Write the answer in scientific notation, expressed to...
2 years ago
What is 5.5×10^4 multiplied by 2.2×10^−8? Write the answer in scientific notation.(1 point) Responses 1.21×10^−5 12.1×10^−4 1.21×10^−4 1.21×10^−3
2 years ago
When multiplying two numbers in scientific notation, what operations do you use on the coefficients and the exponents of the powers of 10?(1 point) Responses Multiply the coefficients and add the exponents of the powers of 10. Multiply the coefficients an...
2 years ago
A tape dispenser holds 1.14×10^4 mm of tape that is 12.7 mm wide. Multiply the two numbers to find the total area in square millimeters of tape. Write the product in scientific notation.(1 point) Responses 1.4478×10^4 mm^2 14.478×10^4 mm^2 1.4478×10^5 mm^...
2 years ago
A sugar cube has a volume of about 4.9 ml. What is the total volume in milliliters of 1.5×10^6 sugar cubes?(1 point) Responses 7.35×10^7 ml 7.35×10^6 ml 7.35×10^5 ml 0.735×10^7 ml
2 years ago
Multiply 0.75 by 2.8×10^−5 .(1 point) Responses 2.1×10^−5 2.1×10^−7 2.1×10^−4 2.1×10^−6
2 years ago
which statement is true about the relationship between the number sets?
2 years ago
are all irrational numbers also integers
2 years ago
is every number a whole number
2 years ago
does a whole number include all natural numbers and 0
2 years ago
why does a whole number include all natural numbers and 0
2 years ago
what is true about -47 when using number system
2 years ago
is -47 a rational number explain why
2 years ago
is -47 a whole number
2 years ago
what set of numbers is always rational when using the number system
2 years ago
are integers always rational
2 years ago
find the whole number and rational number
2 years ago
this is incorect
2 years ago
wrong
2 years ago
if crystal lust but is big but Victoria cakes butt is bigger how big is Vitoria cakes butt
2 years ago
A student is writing an argumentative essay about adopting shelter animals instead of buying pets. Which detail would not be relevant to the argument?(1 point) Responses Adopting shelter pets helps save lives. Adopting shelter pets helps save lives. Cats...
2 years ago
Which detail should Mateo take out of his essay about unique animals?(1 point) Responses Koalas have fingerprints similar to humans. Koalas have fingerprints similar to humans. A shrimp's heart is located in its head. A shrimp's heart is located in its he...
2 years ago
Which detail would be most relevant to this central idea? George Washington's presidency still has an impact on our government today. (1 point) Responses George Washington was elected unanimously. George Washington was elected unanimously. George Washingt...
2 years ago
Which purpose does a relevant detail serve?(1 point) Responses It supports the central idea of the text. It supports the central idea of the text. It evaluates facts and evidence. It evaluates facts and evidence. It identifies ideas not related to the top...
2 years ago
There are about 1.6×10^3 meters in a mile. About how many miles are there in 3.52×10^7 meters? Write your answer in scientific notation, expressed to the exact decimal place
2 years ago
wrong
2 years ago
There are about 1.6×10^3 meters in a mile. About how many miles are there in 3.52×10^7 meters? Write your answer in scientific notation, expressed to the exact decimal place
2 years ago
An online data storage facility has 1.326×10^13 bytes of storage available. It has 2.6×10^4 customers. How many bytes of storage can each customer use? Write your answer in scientific notation, expressed to the exact decimal place.
2 years ago
A public aquarium is being built to contain neon tetras. Each neon tetra needs 1.25 gallons of water. The aquarium will contain 1×10^5 gallons of water. How many tetras can it house? Write the answer in scientific notation.
2 years ago
A feather weighs 0.0082 g. How many feathers would you need to make a weight of 4.1×103 g? Write the answer in scientific notation.
2 years ago
Divide 3.3×10^4 by 5.5×10^7
2 years ago
Divide 3.3×104 by 5.5×107 .(1 point) Responses 6×10−4 6 times 10 to the negative 4 power 6×10−3 6 times 10 to the negative 3 power 6×10−5 6 times 10 to the negative 5 power 6×10−6
2 years ago
A city lunch program for seniors received a grant of 1.925×106 dollars. Divide that figure by the cost of $2.75 per lunch to find out how many senior lunches the grant can provide. Write the answer in scientific notation.(1 point) Responses 0.7×106 0.7 ti...
2 years ago
Solomon needs to distribute 10.5 gallons of perfume among 3.5×102 containers. How many gallons of perfume will be in each container? Write the answer in scientific notation.(1 point) Responses 3×10−2 3 times 10 negative squared 0.35×10−1 0.35 times 10 sup...
2 years ago
A large pavilion is made of 2.967×105 bricks. There are 6.9 bricks per square foot. How many square feet is the pavilion? Write the answer in scientific notation.(1 point) Responses 2.33×105 2.33 times 10 superscript 5 baseline 4.3×105 4.3 times 10 supers...
2 years ago
Which of the following transition words signals cause-and-effect?(1 point) Responses first first as a result as a result finally finally however
2 years ago
At first, Susie did not want to go to the party because her friends were not going. However, she changed her mind and decided to go once she heard there was going to be a DJ. As a result, she had a good time and made a new friend. Which transition word or...
2 years ago
Which transition word signals a contrast?(1 point) Responses finally finally however however because because eventually
2 years ago
Mike kept begging his parents for a cell phone. They agreed he could use his allowance to buy one. Which transition word or phrase would go at the beginning of the second sentence to show how the ideas are connected? (1 point) Responses because because ev...
2 years ago
pick one answer
2 years ago
How much of Earth is comprised of ice?(1 point) Responses about 10 percent about 10 percent about 70 percent about 70 percent about 90 percent about 90 percent about 30 percent
2 years ago
Which feature of Earth would reflect the greatest amount of incoming sunlight?(1 point) Responses light ocean water light ocean water dark ocean water dark ocean water sea ice sea ice ice covered by snow
2 years ago
What is the effect of changing temperature on the Arctic Ocean as observed by scientists over the last few decades?(1 point) Responses There are more places with cold water. There are more places with cold water. There is less saltwater. There is less sal...
2 years ago
has the temperature of the Arctic Ocean changed during the last 40 years?(1 point) Responses More sunlight now reaches Earth than in the past. More sunlight now reaches Earth than in the past. Sea ice has produced more salt, causing the cold ocean water t...
2 years ago
what is 0.000025437 in scientific notation
2 years ago
1.5x10^7 in decimal notation
2 years ago
place the numbers in descending order 4.3x10^-5; 6.4x10^-6; 4.3x10^-6; 6.4x10^-4
2 years ago
the average plate tectonic plate moves at the rate of 0.006 meter per year how many meters would it move in 3x10^6 years write in the scientific notation expressed to the exact decimal place
2 years ago
pick 2 correct answers
2 years ago
How did the Democratic Party’s support of the Civil Rights Act of 1964 lead to a change in its membership? (1 point) Responses It led to the withdrawal of many rural farmers. It led to the withdrawal of many rural farmers. It led to the withdrawal of many...
2 years ago
Which type of government is limited in power? (1 point) Responses oligarchy oligarchy dictatorship dictatorship totalitarian totalitarian constitutional monarchy
2 years ago
One second is approximately 0.0000115741 of a day. What is this number in scientific notation?
2 years ago
The temperature of the sun at its center is about 2.7×107 degrees Fahrenheit. What is this temperature written in decimal notation?
2 years ago
Use scientific notation to determine which of these numbers has the least value: 98,789,000; 987,890,000; or 89,987,000. Write your answer in scientific notation, expressed to the exact decimal place.
2 years ago
Place the numbers in descending order. 2.3 × 10−10; 3.2 × 10−10; 2.3 × 10−12; 2.3 × 10−8
2 years ago
Janiya found that her playlist will play for 3.8×102 seconds, 6.3¯¯¯ ×105minutes, 1.05¯¯¯¯¯ ×104 hours, or 4.39814¯¯¯¯¯¯¯¯¯¯¯¯ ×102 days. Which answer uses the most appropriate units?(1 point) Responses 3.8×107 seconds 3.8 times 10 superscript 7 baseline...
2 years ago
A national park covers an area of 1.42×106 acres. A nearby national forest covers an area of 1.2×106acres. What is the total number of acres in the park and the forest combined?(1 point) Responses 2.62×1012 2.62 times 10 superscript 12 baseline 1.54×106 1...
2 years ago
The distance from Venus to the sun is about 67,000,000 miles. The distance from Earth to the sun is about 2.6×107 farther. What is the distance from Earth to the sun? Write your answer in scientific notation to 1 decimal place.
2 years ago
Calculate 4.8×10−3−9.4×10−6. Express the answer in scientific notation rounding to 2 decimal places
2 years ago
A strand of hair has an average mass of 2.17×10−5 ounces. A grain of rice has an average mass of 0.002 ounces. How much heavier is a grain of rice than a strand of hair? Express your answer in scientific notation.
2 years ago
Light travels at an approximate rate of 1.9×10^5 mi./sec. There are about 3.2×10^7 seconds in a year. About how many miles does light travel in a year? Write the answer in scientific notation. Express the answer to the exact decimal place.
2 years ago
Question The average tectonic plate moves at the rate of 0.006 m per year. How many meters would it move in 2×10^6 years? Write the answer in scientific notation, expressed to the exact decimal place
2 years ago
An asteroid is heading toward Mars at the rate of 7.7×10^4 mi./hr. If the asteroid is 3.311×10^8 miles away from Mars, how many hours will it be before it hits Mars? Write the answer in scientific notation, expressed to the exact decimal place.(1 point)
2 years ago
A field of 3.9 mi^2 is being subdivided into 1.3×10^3 family gardens. How many square miles will there be in each garden? Write the answer in scientific notation.
2 years ago