You have learned before that any number raised to 0 equals 1. But did you ever wonder why any non-zero number when raised to 0 equals 1? Here’s a very simple explanation.
We know that when we divide an expression with exponents having the same base, we subtract the exponents. That is, for any non-zero ,
Now, in the equation above, the only possible for the exponent to be 0, is if the minuend and subtrahend are equal. That is,