How To: Multiply numbers with exponents in basic arithmetic

Need help figuring out how to multiply two numbers containing exponents? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to use exponent rules to quickly multiply any two numbers containing exponents.