Khan Academy
Khan Academy: Algebra I: Multiply & Divide Powers (Integer Exponents)
Rewrite products or quotients of powers, including negative powers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Powers of Products & Quotients (Integer Exponents)
Rewrite powers where the base includes more powers, and the exponents may be negative. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Derivatives of Powers, Sums, and Constant Multiples
Students learn how to compute the derivative using the power, sums, and constant multiples rules. Topics include differential notation and negative exponents. The tutorial explores the calculus concepts through notes and examples.
Lawrence Hall of Science
The Math Page: Skill in Algebra: Algebraic Expressions
Here is a site that clearly and thoroughly explains many topics related to algebraic expressions. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to...