Virtual Nerd
Virtual Nerd: What Are Rational Exponents?
This video describing rational exponents and giving examples can be used to help prepare for the SAT. You will learn how to rewrite an expression with a rational exponent in several ways. [8:09]
Khan Academy
Khan Academy: Algebra: More Rational Exponents and Exponent Laws
Video finding the cube root of an algebraic expression by using rational exponents and the power of a product and power of a power rules. Also shows how to find the cube root of 64 without a calculator. [3:25]