Description: Any non-zero number to the zero power equals one. Zero to any positive exponent equals zero. So, what happens when you have zero to the zero power? Created by Sal Khan. So let's think a little bit about powers of 0. So what do you think 0 to the first power is going to be? One definition of exponentiation is that you start with a 1, and then, you multiply this number times a 1 one time.*Teacher Advisor is 100% free.