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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@Nnesha

@IrishBoy123

Your cheating on a test. Tsk Tsk.

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