Question

What is 3.2 × 10−4 m/h in centimeters per second?

  A. 8.889 × 10^−6  cm/s   B. 8.889 × 10^−5  cm/s   C. 1.152 × 10^−5  cm/s   D. 1.152 × 10^−7  cm/s

Answer 1

`1m=100cm\\1h=3600s\\\\-----------------------------\\\\3.2*10^(-4)\ m/h=3.2*10^(-4)*(100cm)/(3600s)=3.2*10^(-4)*(1)/(36)\ cm/s\\\\\approx0.08888...*10^(-4)\ cm/s=8.889*10^(-6)\ cm/s\\\\Answer:\fbox{A.}`