Question

The Grand Canyon is approximately 29 kilometers long. Mariner Valley is a canyon on Mars that is approximately 212 kilometers long. About how many times longer is Mariner Valley than the Grand Canyon?

2
23
221
2108

Question 5(Multiple Choice Worth 4 points)

Simplify 32 ⋅ 35.

37
310
97
910

Answer 1

Mariner Valley is approximately 7.31 kilometers longer than the Grand Canyon.

32 · 35 simplified is 1120.

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