Convert 45m/s to mph. Choose the best answer to two significant figures. 101mph 45mph 200mph 24mph

Question

Convert 45m/s to mph. Choose the best answer to two significant figures.
101mph
45mph
200mph
24mph

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Bình An 6 months 2021-09-03T18:41:17+00:00 1 Answers 8 views 0

Answers ( )

    0
    2021-09-03T18:43:09+00:00

    Explanation:

    45 m/s × (3.28 ft/m) × (1 mi / 5280 ft) × (3600 s/h) = 101 mph

    This is actually 3 significant figures.  To write in 2 significant figures, you must use scientific notation:

    1.0×10² mph

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