CK-12 Foundation
Ck 12: 3.2 Revisiting Exponential Expressions and Equations
This section draws on the different laws of exponents that have been covered in previous sections and uses them to simplify exponential expressions. Additionally, the lesson explores the impact on the simplified expression when the laws...
National Council of Teachers of Mathematics
The Math Forum: Middle School Archive
This site from the Math Forum provides a list of links to many questions from the Dr. Math archive about exponents. This is a good site to use to direct you to different but associated information on the subject.
Understanding Algebra
Understanding Algebra: Positive Integer Exponents
This is a simplified explanation about exponents along with a few rules for combining numbers with exponents.