The distance from the Earth to the sun is approximately 9.37 x 10^7 miles. How long does ti take for light from the sun to reach the earth? Speed of light is 3.00 x 10^8 m/s. Show work.

Answer 1

there are 2.54 cm in a inch
...12 inches in a foot
...5280 feet in a mile

multiply to find the cm in a mile
...divide by 100 to find the meters

convert 9.37 x 10^7 mi to meters
...by multiplying

divide the result by 3 x 10^8

the answer is in sec
...THREE significant figures
...should be a little under 500