Question

((13^(3))^(2).(13^(-1))^(3))/(13^(7).(13^(5))^(-3))

Answer 1

((13^(3))^(2).(13^(-1))^(3))/(13^(7).(13^(5))^(-3))=
(13^(6)).(13^(-3))/(13^(7).(13^(-15))=
(13^(3))/(13^(-8)=
13^(3-(-8)=
13^(3+8)=
13^11