Purple Math
Purplemath: Negative Exponents
This resource covers negative exponents and demonstrates how to simplify expressions containing them. Explains why "to the power zero" means "equals 1".A negative exponent just means that the base 'x' is on the wrong side of the fraction...
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.
Calculator Soup
Calculator Soup: Exponents Calculator
This is an online calculator for exponents. Calculate the power of large base integers and real numbers. You can also calculate numbers to the power of large exponents less than 1000, negative exponents, and real numbers or decimals for...
AAA Math
Aaa Math: Evaluating Exponents of Negative Numbers
This site explains how to evaluate exponents of positive and negative numbers. The site provides games and exercises to practice the skill.