Question

(2^5x . 2^2x) . ( 2^x . 2^1)
2^3n+7

Answer 1

(2^5x . 2^2x) . ( 2^x . 2^1)2^3n+7
        |   "Multiplique os expoentes (se as bases forem iguais)                      
       V
2^7x . 2^x+1 . 2^3n+7

2^8x+8+3n

___________
|2^8x + 3n + 8|