Question

a^m*a^n 1:= a^n/b^n
(a^m)^n 2:= a^m-n
(ab)^n 3:= a^nb^n
a^m/a^n 4:= a^m+n
(a/b)^n 5:= a^m*n

Answer 1

first with 4th
second with 5th
3rd --- 3th
4rd --- 2th
5rd --- 1th

Answer 2

do you know the exponents property ?