Respuesta :

Each number is graded at the zero exponent gave the result number 1. Why?

I show you in the next example.

First you must know that   a∧m / a∧n = a∧(m-n)

a/a =1  or  a∧1 / a∧1 = a∧(1-1) = a∧0 = 1

Good luck!!!