Question

Exponents and radical formulas

Answer 1

1)a*a*a*a---- n times = a^n
2)a^-n = 1/a^n

Answer 2

a^m * a^n = a^m+n
a^m / a^n = a^m-n
(a^m)^n = a^m*n
a^m * b^m = (ab)^m
a^0 = 1
a^m/b^m = (a/b)^m