Question

8) Light travels at a speed of 1.86 x 10 miles per
second. A light year is the distance the light
travels in one year. Determine the number
of miles in a light year. Answer in scientific
notation​

Answer 1

Answer:

Given: Speed= 1.86 x 10^5 miles per second

Time: 1.93 x 10^2 seconds

Required: Distance

Distance= Speed x Time

Dustance= 1.86 x 10^5 miles/second (1.93

x 10^2 seconds)= 3.5898 x 10^7 miles

or 35,898,000 miles