Free Math Help
Free Math Help: Exponents
The explanations and examples here give you four simple rules for understanding and using exponents.
Washington State University
Washington State University: Math 101: Rational Exponents: Rules
A list of rules for how to convert from radical to exponential form and from exponential to radical form.
Wyzant
Wyzant: Negative Exponents Worksheet
At this site from WyzAnt, students are given twenty questions to solve, each involving a number base raised to a negative number exponent. A space for the students answer is provided before having the site grade the worksheet. Questions...
Wyzant
Wyzant: Variables With Negative Exponents Worksheet
At this site from WyzAnt, students are to simplify ten questions where variable bases are raised to negative exponents. An answer sheet is provided so that students can check their solutions once they have finished.
Wyzant
Wyzant: Negative Exponents of Variables
WyzAnt shows how to simplify variables that have negative exponents and then lets you practice with an online worksheet.
Wyzant
Wyzant: Exponents
Review the concept of exponents and what it means to take a number "to a power." This is a good resource for a beginning unit on exponents. An online practice worksheet is available.
Wyzant
Wyzant: Polynomial Exponents
WyzAnt shows the difference in taking the powers of products, quotients, and sums. An online worksheet is provided for extra practice.
Wyzant
Wyzant: Simplifying Negative Exponents
WyzAnt provides a simple tutorial to demonstrate how negative exponents are simplified. An online worksheet is provided for extra practice.
Wyzant
Wyzant: Negative Exponents of Fractions
WyzAnt reviews how to simplify fractional expressions that contain negative exponents and then lets you practice using the online worksheet.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Negative Exponents
Find a quick, concise explanation of negative exponents. An example is given and clearly explained.
Interactive Mathematics
Interactive Mathematics: Fractional Exponents
The laws of exponents are applied to expressions containing fractional exponents. Several examples are provided to practice the concept.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Dividing and Multiplying Radicals
Site describes how one would multiply and divide radicals and simplify the final result by using examples.
Purple Math
Purplemath: Exponents: Basic Rules
At Purplemath.com, you can scroll down to the last lesson on the page to learn about radical exponents.