The zeroth power of any number except 0 is 1, and the zeroth power of 0 is an unsolved non-zero number, which can be explained by exponential law. A0 = A (1-1) = A1= A/A =1A nonzero number (whether positive or negative), whose negative power is its positive power (reciprocal of negative power).

The Properties of Exponential Law # Power # Numbers