Question

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

Answer 1

((13^(3))^(2).(13^(-1))^(3)) ===>  (13)^6.(13)^-3    ==>  13^3
(13^(7).(13^(5))^(-3))                    (13)^7.(13)^-15           13^-8

13^(3+8) ==> 13^11