Any value with a 'zero' exponent is equaL TO '1'.
A^(0) = 1
proof
Let a^(0) =.
a^(n - n) = a^(n) / a^(n) Cancel down by a^(n) hence it equals '1'.
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If a number (other than 0) has 0 as an exponent, it equals 1! It may be hard to believe but it is true, no matter what number. If a number has no exponent, there is basically an invisible 1 as the exponent, so the number would be equal to itself. Zero with the exponent zero is meaningless.
Any number to the exponent of 0 is equal to 1. EXAMPLE x0=1
because it will ALWAYS = 1
it equals 0. 0 x 0 will always be 0
One way to view the exponent, especially when it is a natural number, is how many times something need to be multiplied by itself. So 4^5 has exponent 5 and base 4 and it means 4 multiplied by itself 5 times, ie 4x4x4x4x4 We can then extent this to negative integers and to an exponent of zero and then to rational exponents. More on that if you want to know.