Question

What is 6.4 × 10−8 mi/day in feet per hour? (1 mi = 5280 ft)

A.
8.11 × 10−3 ft/h

B.
1.408 × 10−5 ft/h

C.
2.909 × 10−10 ft/h

D.
5.05 × 10−13 ft/h

Answer 1

@carsonce

Answer 2

C.

Answer 3

thank you one more

Answer 4

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