The speed of light is \rm 3.00\times 10^8~m/s. How fast is this in miles per hour (\rm miles/h)? Use the conversion 1 \;{\rm mile} = 1610\; {\rm m}.

Answer 1

3E8m/s x (1 mile/1610m) = ??miles/sec.
??miles/sec x (60 sec/min) x (60 min/hour) = ?? miles/hour.

Answer 2

160