Why is the value of any nonzero base raised to the zero power 1?

Answer 1

x to the power 2 = (x to the power 3)/x;

x to the power 1 = (x to the power 2)/x;

x to the power 0 = (x to the power 1)/x.

As x to the power 1 is merely x then the last expression is equivalent to x/x, ie 1.