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One second is approximately 0.0000115741 of a day. What is this number in scientific notation?(1 point)
1. 23 answers
2. 315 views
For what value of a will 8×10^3 be 40 times larger than a×10^2 ?(1 point)
1. 3 answers
2. 109 views
A student moves the end of a compressed coiled spring up and down to demonstrate wave motion. She then moves the compressed
1. 1 answer
2. 169 views
Use the table to answer the question.Wave λ (m) vw (m/s) L 120 600 M 150 600 N 100 600 O 50 600 The table shows information
1. 1 answer
2. 164 views
When drawn on a coordinate plane with the x-axis as the baseline, a wave with a crest that is closer to the baseline has a
1. 1 answer
2. 73 views
Use the image to complete the statement.In wave A, the wave goes a certain distance above and below the horizontal line and
1. 1 answer
2. 145 views
What do the 15th, 19th, and 26th Amendments have in common?(1 point) Responses voting rights voting rights religious rights
1. 3 answers
2. 165 views
Use the following performance excerpt to answer the question.Listen to this excerpt from Beethoven’s Fifth Symphony. Which of
1. 5 answers
2. 111 views
Which type of wave is most affected by gravity from the Sun and the moon?(1 point)Responses seismic seismic sound sound water
1. 9 answers
2. 407 views
Anike wrote an article on how to make lentil soup.Which of the following would make the best conclusion to the article? (1
1. 1 answer
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A friend asks Samantha to help write a conclusion for her essay. What should Samantha do first?(1 point)Responses Find synonyms
1. 1 answer
2. 76 views
Which of the following statements describes a good conclusion?(1 point)Responses A good conclusion refers to the major themes of
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Which of the following describes one of the tasks of a good conclusion?(1 point)Responses summing up the passage summing up the
1. 1 answer
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A large pavilion is made of 2.967×10^5 bricks. There are 6.9 bricks per square foot. How many square feet is the pavilion?
1. 1 answer
2. 70 views
Solomon needs to distribute 10.5 gallons of perfume among 3.5×10^2 containers. How many gallons of perfume will be in each
1. 1 answer
2. 149 views
A city lunch program for seniors received a grant of 1.925×10^6 dollars. Divide that figure by the cost of $2.75 per lunch to
1. 1 answer
2. 59 views
Divide 3.3×10^4 by 5.5×10^7.(1 point) Responses 6×10−5 6 times 10 to the negative 5 power 6×10−3 6 times 10 to the
1. 1 answer
2. 52 views
A rectangular park has an area of 1.36×10^8 ft2 . The length of the park is 1.6×10^4 ft. Divide the area by the length to find
1. 1 answer
2. 117 views
A feather weighs 0.0082 g. How many feathers would you need to make a weight of 4.1×10^3 g? Write the answer in scientific
1. 1 answer
2. 379 views
A public aquarium is being built to contain neon tetras. Each neon tetra needs 1.25 gallons of water. The aquarium will contain
1. 3 answers
2. 109 views
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
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2. 292 views
An online data storage facility has 1.326×1013 bytes of storage available. It has 2.6×104 customers. How many bytes of storage
1. 1 answer
2. 89 views
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
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2. 140 views
There are about 1.6×103 meters in a mile. About how many miles are there in 3.52×107 meters? Write your answer in scientific
1. 1 answer
2. 83 views
An average American household uses about 1.04×104 kWh (kilowatt hours) of electricity a year. If a power station generates
1. 1 answer
2. 167 views
Multiply 0.75 by 2.8×10^−5.(1 point) Responses 2.1×10−5 2 point 1 times 10 to the negative 5 power 2.1×10−7 2 point 1
1. 1 answer
2. 147 views
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
1. 1 answer
2. 56 views
A tape dispenser holds 1.14×104 mm of tape that is 12.7 mm wide. Multiply the two numbers to find the total area in square
1. 1 answer
2. 128 views
When multiplying two numbers in scientific notation, what operations do you use on the coefficients and the exponents of the
1. 1 answer
2. 109 views
What is 5.5×10^4 multiplied by 2.2×10^−8 ? Write the answer in scientific notation.(1 point)Responses 1.21×10−4 1.21
1. 1 answer
2. 42 views
The average newborn weighs 7.5 pounds. About 4.1×106 babies are born in the United States every year. What is the approximate
1. 1 answer
2. 258 views
The average human heart beats about 3.5×107 times per year. The current population of Massachusetts is about 7×106 people.
1. 1 answer
2. 332 views
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
1. 1 answer
2. 173 views
So long as any individual state has power to defeat the measures of the other twelve, our pretended union is but a name, and our
1. 1 answer
2. 129 views
SUMMARIZEThe civic virtues of ancient Romans served as a significant source of inspiration for the Founding Fathers in
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2. 97 views
write how the civic virtues of ancient Romans inspired the Founding Fathers’ vision on how citizens should conduct themselves
1. 1 answer
2. 70 views
Which term describes the resting position of a wave?(1 point)Responses equilibrium equilibrium frequency frequency amplitude
1. 1 answer
2. 165 views
A term for the top-most point of a wave is the _____(1 point)Responses trough. trough. frequency. frequency. crest. crest.
1. 1 answer
2. 193 views
Use the table to answer the question.Student Wavelength Frequency Darius increase increase Kathryn increase remain the same Anya
1. 1 answer
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Two students hold the ends of a jump rope. One student moves the jump rope up and down, making a wave. Then, the student moves
1. 1 answer
2. 206 views
Two students hold the ends of a jump rope. One student moves the jump rope up and down, making a wave. Then, the student moves
1. 1 answer
2. 98 views
Use the diagram to answer the question.An illustration shows a wave with a horizontal distance between two consecutive troughs
1. 1 answer
2. 113 views
In which situation is it appropriate to write using informal language?(1 point)Responses a scientific research article a
1. 1 answer
2. 105 views
Use the sentence to answer the question.The mechanic said the car needed some brake things replaced. Which words can replace the
1. 1 answer
2. 102 views
Use the paragraph to answer the question.Dear Hiring Manager, I am applying for the position of summer cashier. I learned about
1. 1 answer
2. 98 views
Using Precise Language Quick Check2 of 52 of 5 Items Question Use the sentence to answer the question. Some animals are
1. 1 answer
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Use the sentence to answer the question.Many nice plants filled the hotel lobby. Which word could replace nice to add more
1. 1 answer
2. 85 views
China and India are the most populous countries in the world. China’s population is approximately 1.45×109 , while India’s
1. 1 answer
2. 178 views
Platelets and red blood cells are components of the blood. A typical platelet and red blood cell have diameters of approximately
1. 1 answer
2. 78 views
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
1. 1 answer
2. 74 views
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
1. 1 answer
2. 81 views
Subtract 4.66×10−5−7.34×10−7(1 point)Responses −2.68×102 negative 2.68 times 10 squared −4.5866×10−5 negative
1. 1 answer
2. 205 views
Earth’s radius is approximately 3,959 miles, while Jupiter’s radius is approximately 4.3441×10^4 miles. How much bigger is
1. 1 answer
2. 59 views
Earth’s radius is approximately 3,959 miles, while Jupiter’s radius is approximately 4.3441×104 miles. How much bigger is
1. 1 answer
2. 205 views
Find 0.078−(5.2×10−3) . Express your answer in scientific notation. Do not round your answer.(1 point)
1. 1 answer
2. 174 views
Human hair grows at a rate of about 6.849×10−4 cm per hour to 2.329×10−2 cm per hour. The rate depends on gender,
1. 1 answer
2. 308 views
Use the following sentence to answer the question.Mike kept begging his parents for a cell phone. They agreed he could use his
1. 1 answer
2. 108 views
Which transition word signals a contrast?(1 point)Responses however however eventually eventually finally finally because
1. 1 answer
2. 87 views
Use the sentence to answer the question.At first, Susie did not want to go to the party because her friends were not going.
1. 1 answer
2. 87 views
Which of the following transition words signals cause-and-effect?(1 point)Responses however however first first as a result as a
1. 1 answer
2. 97 views
Which statement is true about transitions?(1 point)Responses Transitions can make writing unclear to the reader. Transitions can
1. 1 answer
2. 70 views
What is the efficiency of a ramp if 2,000 joules of energy results in 1,200 joules of work?(1 point)Responses 60% 60% 32% 32%
1. 1 answer
2. 114 views
A certain lever system is only 30% efficient. What could make it more efficient? (1 point)Responses Use it with a lighter load
1. 1 answer
2. 123 views
How does a pulley make work easier when it is used to lift an object?(1 point)Responses It increases the amount of work produced
1. 1 answer
2. 137 views
Use the table to answer the question.Machine Output Work (J) Input Work (J) A 750 1,500 B 1,000 4,000 C 450 600 D 3,000 5,000
1. 1 answer
2. 239 views
In which situation did the car achieve the greatest efficiency? (Assume the cars all have the same mass.)(1 point)Responses a
1. 1 answer
2. 238 views
Use the image of a person lifting a boulder with a lever to answer the question.An illustration shows a man using a stick and a
1. 1 answer
2. 109 views
A person is lifting a heavy box using a lever. What is the purpose of the lever in this situation?(1 point)Responses to reduce
1. 1 answer
2. 224 views
A person using a lever applies 98 Newtons to lift a 20-kilogram box. They apply the force over a distance of 4 meters to lift
1. 1 answer
2. 139 views
How do simple machines make work easier?(1 point)Responses They magnify the force being applied, thereby decreasing the work
1. 1 answer
2. 108 views
Which list correctly orders effort (E), fulcrum (F), and load (L) for each lever class?(1 point)Responses class 1 = L, F, E (or
1. 1 answer
2. 190 views
Use the diagram of the pulley system to complete the statement.An illustration shows a system of two pulleys lifting a block. In
1. 1 answer
2. 238 views
A person pushes a box. He applies a force of 400 newtons, and he pushes the box for a distance of 4 meters. After he stops
1. 1 answer
2. 97 views
A mobile phone holds 1.28×10^11 bytes of storage. You can also pay more money to get an additional 384,000,000,000 bytes. How
1. 1 answer
2. 57 views
The half-life of uranium-235 is 700,000,000 years. The half-life of uranium-238 is 4.463×10^11 years longer. What is the
1. 1 answer
2. 162 views
An empty dump truck weighs about 2.8×105 pounds. How much does it weigh if 15,300 pounds of trash is added? The answer should
1. 1 answer
2. 329 views
The population of a city is given as 3.45×10^6 . A nearby city has a population of 1.3×10^5 . What is the sum of the
1. 1 answer
2. 222 views
Add 7.3×10^7+1.8×10^7 . Which is the correct sum?(1 point)Responses 8.1×107 8.1 times 10 superscript 7 baseline 9.1×107 9.1
1. 1 answer
2. 77 views
An American football field has an area of 6.4×103 square yards. A Canadian football field is 3,350 square yards larger. What is
1. 1 answer
2. 195 views
What is the sum of 6.3×103 and 2.41×104 ? Use scientific notation to express your answer.(1 point)
1. 1 answer
2. 497 views
Which purpose does a relevant detail serve?(1 point)Responses It identifies ideas not related to the topic. It identifies ideas
1. 1 answer
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Which detail would be most relevant to this central idea?George Washington's presidency still has an impact on our government
1. 1 answer
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Using Relevant Details Quick Check3 of 53 of 5 Items Question Which detail should Mateo take out of his essay about unique
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A student is writing an argumentative essay about adopting shelter animals instead of buying pets. Which detail would not be
1. 1 answer
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Which detail would be most relevant to this central idea?Summer is the most fun season, because there is so much to do. (1
1. 1 answer
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What is the proper order of whole and half steps in a major scale?(1 point) Responses a. W-W-W-H-W-W-H b. W-H-W-H-W-H-W c.
1. 1 answer
2. 73 views
Use the following image to answer the question.What key signature is shown in the notation? A treble clef with a B flat, an E
1. 1 answer
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Use the following image to answer the question.What key signature is shown in the notation? A bass clef with an F sharp and a C
1. 1 answer
2. 163 views
Which of the following statements best describes how the Northwest Ordinance established a method for settlement? Select all
1. 1 answer
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What was one strength of the Articles of Confederation?a. It allowed states to make decisions for themselves. b. It gave the
1. 1 answer
2. 91 views
On a wheel & axle, where would you apply force to increase speed?
1. 1 answer
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Which other simple machine is most like a wheel & axle?A. Lever B. Pulley C. Screw D. Wedge
1. 1 answer
2. 93 views
Which set of pulleys makes it easiest to lift a weight?A. The one with the longest rope. B. The one with the fewest pulleys. C.
1. 1 answer
2. 103 views
On a wheel & axle, where would you apply force to make a greater force?
1. 1 answer
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Which of these is a wheel & axle?A. Doorknob B. Hammer C. Nail D. Oar
1. 1 answer
2. 48 views
Which two things make up a pulley?A. A handle and a screw. B. A screw and a wheel. C. A wheel and a rope. D. A rope and a
1. 1 answer
2. 56 views
Which statements are true?A. A screwdriver is a wheel & axle. B. A wheelbarrow is a kind of pulley. C. When a force is applied
1. 1 answer
2. 102 views
Which is the same class of lever as a broom?A. A boat oar. B. A baseball bat. C. A wheelbarrow. D. A pair of scissors.
1. 1 answer
2. 61 views
Which statements are true?A. All simple machines are basically the same kind of machine. B. Pulleys are simple machines. C. One
1. 1 answer
2. 125 views
All of these are simple machines, exceptA. an axe. B. a toaster. C. a bottle opener. D. a wheelchair ramp.
1. 1 answer
2. 63 views