Question

medals!!!
The Grand Canyon is approximately 2^9 kilometers long. Mariner Valley is a canyon on Mars that is approximately 2^12 kilometers long. About how many times longer is Mariner Valley than the Grand Canyon?

A. 2
B. 2^3
C. 2^21
D.2^108

Answer 1

B

Answer 2

here you have to compute this ratio:
\[\Large \frac{{{2^{12}}}}{{{2^9}}} = {2^{12 - 9}} = ...?\]

Answer 3

12^3 right?

Answer 4

yeah

Answer 5

yes! it is 2^3

Answer 6

thanks @Michele_Laino

Answer 7

:)

Answer 8

thanks! @madhu.mukherjee.946 for your help

Answer 9

:)@Michele_Laino your welcome