Numbers are sort of like your bedroom closet--the less clutter there is, the better. So how do you write really big or really small numbers without taking up every last centimeter of your notebook paper? As Tim and Moby teach you in this BrainPOP movie, exponents are the answer! Learn how exponents are really just a simple way to show repeated multiplication. Discover the secret to converting any negative exponent into a positive one--and vice versa. And see how scientific notation uses exponents to tackle everything from numbers in the millions to measurements in microns! That’s one handy space-saver!

Watch the Math movie about Exponents »

What is an exponent?

I have a math problem that asks me to evaluate 9 cubed, but I don't know what that means. Can you help me?

What is power to a power?