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Taylor0402
 one year ago
The circumference of the Earth is approximately 131,000,000 ft.
a. Write this number in scientific notation and tell how you knew whether to use a positive or a negative exponent.
b. The circumference of Mars is 7.00 x 107. Which planet is larger, and by how many feet? Write the answer in both standard and scientific notation.
Taylor0402
 one year ago
The circumference of the Earth is approximately 131,000,000 ft. a. Write this number in scientific notation and tell how you knew whether to use a positive or a negative exponent. b. The circumference of Mars is 7.00 x 107. Which planet is larger, and by how many feet? Write the answer in both standard and scientific notation.

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Taylor0402
 one year ago
Best ResponseYou've already chosen the best response.0i dont know how to explain my answer for letter a

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I would say you use a positive exponent because the number is greater than 1.

Taylor0402
 one year ago
Best ResponseYou've already chosen the best response.0yea i know but do you want me to say the Earths cumfrence is a positive 8 because i moved the decimal point to the left

Taylor0402
 one year ago
Best ResponseYou've already chosen the best response.0sorry i ment to the right

texaschic101
 one year ago
Best ResponseYou've already chosen the best response.1use a positive exponent when there is no numbers behind a decimal. Example : 75,000,000 use a negative exponent when there is numbers behind the decimal Example : 0.0000037

Taylor0402
 one year ago
Best ResponseYou've already chosen the best response.0i know that but now i get it i just had to see myself type the answer...thanks to both of you guys

texaschic101
 one year ago
Best ResponseYou've already chosen the best response.1@RigelCanopus ...pretty much summed it up. Use positive because number is greater then 1, use negative when number is less then 1

Taylor0402
 one year ago
Best ResponseYou've already chosen the best response.0i would have to agree
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