If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Scientific notation word problems

You might need: Calculator

Problem

Light travels 9.451015 meters in a year. There are about 3.15107 seconds in a year.
How far does light travel per second?
Write your answer in scientific notation.
meters