Question

it takes time 8 minutes for light to reach from the sun to the earth surface is speed of light is second to be 3 * 10 to the power 8m/s find the distance from the sun to be the earth in kilometre.

Answer 1

you can solve this also just by skipping some steps...This problem is not much lengthy as it looks...i just solve it for more clarification...else you can solve this in few steps...hope this help...

Answer 2

speed = distance /time
300000000 = distance / 8*60seconds
300000000 = distance/ 480 seconds
300000000*480 = distance
144000000000 = distance