A list of various videos that explain how to work with exponents.Khan Academy’s Negative Exponents Videos
A list of various videos that explain how to work with negative exponents.Math Goodies – Exponents
An introduction to exponents.Purplemath’s Basic Information on Exponents
This page explains the rules for working with exponents.Math.com’s Exponents In Depth
This page also explains the rules for working with exponents.Cool Math’s Exponent Rules
Cool Math’s page on exponent rules. There are tutorials for each rule, and a summary of them all!