Wyzant
Wyzant: Simplifying Negative Exponents
WyzAnt provides a simple tutorial to demonstrate how negative exponents are simplified. An online instructional activity 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.
Interactive Mathematics
Interactive Mathematics: Powers
The laws of exponents are presented in a simple chart along with an example of how to determine like terms.
Oswego City School District
Regents Exam Prep Center: Positive, Negative, and Zero Exponents
At this site from Oswego City School District, students are shown the basic laws which govern simplifying positive, negative, and zero exponents. Examples are provided during the explanations, and then practice problems (and their...
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Power of a Power Property
Find a quick, concise explanation of the power of a power property. An example is given and clearly explained.