If it travels at 186,000 miles per second, about how many miles does a ray of light travel in 3 hours?
we know that
1 hour =3,600 seconds
so
186,000 miles/sec=186,000 (3,600)=669,600,000 miles/ hour
Multiply by 3
distance=669,600,000 miles/ hour*3=2,008,800,000 miles
