Answer:
zero (0)
when the exponent 0 is applied to a nonzero base, the result is always 1
Explanation:
Acoording to the zero power rule, a non zero number raised to the power 0 is always 1:
whit

Let's check this property using an example:
We know that a quantity over itself is always 1:

We also know that a base without exponent is always raised to the power 1:

Now, according to the division power rule
, so