Question

Calcule as potenciações abaixo

14² =

\frac{2}{5} ³

\frac{-2}{3}^-4

Answer 1

14² =
(14).(14) =
196


(2/5) ³ =
(2/5).(2/5).(2/5) =
(4/25).(2/5) =
8/125


(-2/3)^-4 =
(3/2)^4 =
(3/2).(3/2).(3/2) =
(9/4).(9/4) =
81/16

Um abraço.