"Demystifying" an often mysterious problem, Sal demonstrates some tricks for considering exponents intuitively, rather than working them out each time. He first takes viewers through positive exponents and works up to negative exponents,...

A penguin is as cute as can be and can also help demonstrate how to rewrite negative exponents. This clip is very clear and uses a story scenario to describe the actions that take place when multiplying or dividing with a negative exponent.

Everything you wanted to know about exponents, and more? Positive exponents, negative exponents, numbers to the power of one, and expressions to the power of zero.