Light travels at an approximate rate of 1.9×105 mi./sec. There are about 3.2×107 seconds in a year. About how many miles does light travel in a year? Write the answer in scientific notation. Express the answer to the exact decimal place.(1 point

1 answer

To find out how many miles light travels in a year, we can multiply the speed of light by the number of seconds in a year.

1.9×10^5 mi./sec x 3.2×10^7 sec/year = 6.08×10^13 miles/year.

Therefore, light travels approximately 6.08×10^13 miles in a year.