Question

calcule (9^-1 . 3^-3)^-1 . (-1/3)^4

Answer 1

(9^-1 . 3^-3)^-1 . (-1/3)^4 =

multiplica-se os expoentes, logo fica:

(9¹.3³) . (1/81) =

=> (9 . 27) . (1/81) =

243 . 1/81 = 3