Read this article until the section titled "Product of Powers Property." For this subunit on algebraic exponential expressions, complete practice problems 1-13. The definition of a power will be used in the following subunit to derive all of the rules you need to work with exponential expressions. Once you have completed the practice problems, check your answers against the answer key.

Click http://www.ck12.org/book/Basic-Algebra/section/8.1/ link to open resource.