Interactive Mathematics
Interactive Mathematics: Simplifying Expressions With Integral Exponents
The laws of exponents are presented using expressions containing both positive and negative exponents. Several examples and exercises are given to help practice the concept.
Science Struck
Science Struck: Adding Exponents
Explains how to add exponents as well as other aspects of exponents including positive and negative exponents, rational exponents, zero exponents, power of power, and division of exponents. Includes practice problems with answers provided.