Question

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?

2
2^3
2^21
2^108

Answer 1

@Directrix

Answer 2

@satellite73

Answer 3

Grand Canyon 2^9 kilometers
Mariner Valley 2^12 kilometers

MV
---- = 2^12
==== = 2 ^ (12 - 9) = 2 to the what power times as large
GC 2^9

@volleyballlover55

Answer 4

is it 2^108?

Answer 5

2 ^ (12 - 9)

What is 12 - 9 =

Answer 6

3

Answer 7

2^3

Answer 8

2^3 which is B?

Answer 9

Yes. MV is 2^3 or 8 times as long as the GC.

Answer 10

ok :)