Question

calcule as potencias (2/3) elevada a -3

Answer 1

expoente negativo, inverte a base!

(3/2)³

3.3.3= 27

2.2.2= 8

R= (27/8)

Answer 2

$( \frac{2}{3} ) ^{ - 3} = ( \frac{3}{2} ) ^{3} = \frac{27}{8}$