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- Testing123guest

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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- Testing123guest

- chestercat

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- Testing123guest

- nevermind_justschool

Your cheating on a test. Tsk Tsk.

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- Testing123guest

no i am doing a study guide

- nevermind_justschool

Nope, this was on a test that I JUST took.

- Testing123guest

i am studying for a test this is not a test

- Testing123guest

@nevermind_justschool can u help me if u know it

- Testing123guest

- nevermind_justschool

I know for a fact that this is a test.
No I will not help you.

- Testing123guest

no it is not i am studying for a test next week and maybe it might be on there but i know for a fact that this is a study guide i swear on my my grave

- Testing123guest

- Testing123guest

can u help me

- rock_mit182

I hope this help you out: https://www.mathsisfun.com/numbers/scientific-notation.html

- rock_mit182

or if you like more to watch videos: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/v/scientific-notation

- Testing123guest

i am n a time crunch so do u know the answers plz i will owe a favor anything

- rock_mit182

dude this is really easy just try to learn and you will see

- nevermind_justschool

Niiice @rock_mit182
Khan Academy is awesomee

- rock_mit182

yup, :)

- Testing123guest

thx the site help me a lot that is all i needed @nevermind_justschool but i will still medal because all peps are cool

- Testing123guest

i got a 90% on the study guide so thx guys and gals lol

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