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just a kid []~(￣▽￣)~*
Questions (129)
In which chemical equation is the number of atoms in the reactants the same as the number of atoms in the product?
A. CH4 + O2
9 answers
161 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
17 answers
108 views
Multiply 0.75 by 2.8×10^−5
1 answer
112 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 answer
72 views
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
1 answer
176 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 answer
296 views
When multiplying two numbers in scientific notation, what operations do you use on the coefficients and the exponents of the
3 answers
217 views
What is 5.5×104 multiplied by 2.2×10−8 ? Write the answer in scientific notation.
3 answers
218 views
Which graphic would be best to accompany an article about the different agricultural regions of California?
A. a photograph of a
1 answer
352 views
Subtract 4.66×10−5−7.34×10−7 (1 point) Responses 2.68×102 2.68 times 10 squared 4.5866×10−5 4.5866 times 10
3 answers
224 views
Find 0.078−(5.2×10−3) . Express your answer in scientific notation. Do not round your answer.
9 answers
135 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,
5 answers
149 views
If the power 7^15 was simplified using the Power Rule of Exponents, which of the following would be an expanded equivalent
3 answers
112 views
What is the missing number in this simplified exponential expression: 7^? / 7^5 = 7^12?
1 answer
273 views
In which set are the numbers arranged in ascending order?
A. 3.25 * 10^-3, 2.25 * 10^-3, 3.25 * 10^-4, 1.25 * 10^-3 B. 0.000325,
1 answer
68 views
Which set of numbers is arranged in descending order?
A. 7.6 * 10^-25, 7.2 * 10^-30, 7.2 * 10^-25, 7 * 10^-30 B. 7.2 * 10^-30, 7
1 answer
132 views
Compare 7.6 * 10^-25 and 6.7 * 10^-52. Which statement is true?
A. 7.6 * 10^-25 = 6.7 * 10^-52 B. 7.6 * 10^-25 < 6.7 * 10^-52 C.
1 answer
138 views
Use scientific notation to compare these numbers: 12,740,876,635; 1,345,763,334; and 12,920,370,000, which has the greatest
1 answer
195 views
Compare 364,879; 463,000; and 436,765 using scientific notation. Which number has the least value?
2 answers
172 views
Use scientific notation to determine which of these numbers has the greatest value: 654,987,034; 645,897,430; or 546,789,340.
1 answer
112 views
Roughly, it takes light less than 0.000000003 of a second to travel a one-meter distance. Express this number in the form of a x
1 answer
182 views
How many times less is 10^2 than 10^6? Express your answer as an integer power of 10.
A. 10^-4 B. 10^4 C. 0.0001 D. 10,000
1 answer
95 views
At the end of fiscal year 2004, the federal debt of Country C is $278,560,125,000. What is the closest estimation of this
2 answers
161 views
How many times 4 x 10^4 larger than 2 x 10^2?
A. 200 B. 20 C. 2,000 D. 2
1 answer
64 views
Use the Product Rule of Exponents to simplify 5^10 * 5^5
A. 25^50 B. 5^50 C. 25^15 D. 5^15
29 answers
132 views
Consider the 6 inch * 9 inch rectangular cake that is 2 inches deep if you cover the cake with frosting excluding the bottom,
23 answers
208 views
Which of the following describes advertising?
A. a true story using facts that can be verified B. a promotion that is paid for by
3 answers
219 views
Mass Media Quick Check
Which of the following describes mass media? A. information produced for private use B. tools used to get
11 answers
1,344 views
Fossils are used to study
A. organisms that live today B. how ancient animals behaved C. phylogenetic trees D. organisms My
22 answers
4,015 views
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