Respuesta :

MohamedSharif
3.00 X 10^8 m/s... 
so, the light travels 1.08 X 10^12 m/h , 3.00 X 10^5 km/s and 
8.33 X 10^7 km/h. 

[ 3.00 X 10^8 * 3600 ; (there are 3600 seconds in an hour) 
= 10800 X 10^8 m/s 
= 1.08 X 10^12 m/h ]