Question

Why 3^-7 x 3^7 = 1. . Someone please

Answer 1

see below

Explanation:

3^-7 x 3^7 = 1

The negative exponents put it in the denominator

1/ 3*3*3*3*3*3*3 * (3*3*3*3*3*3*3) = 1

The 3's cancel leaving

1/1 = 1

1=1