Khan/khan-exercises — pull request #10935 by danielmclaury (2012-01-11 10:57:11+00:00)
Title: New exercise to go with "Simplifying Expressions with Exponents" videos

This is an exercise version of the problem Sal works in http://www.khanacademy.org/video/simplifying-expressions-with-exponents-2 . All comments welcome.