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

@Adjax

Answer 2

It's about:
\[\frac{ 2^{12} }{ 2^{9}} = 2 ^{3}\]
it's 2 ^3 times bigger

Answer 3

thx