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21 July, 13:36

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

101mph

45mph

200mph

24mph

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Answers (1)
  1. 21 July, 14:10
    0
    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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