Question

ajuda aí,por favor........​

Answer 1

Resposta:

Explicação passo-a-passo:

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

b) $(2^{-5})^{-1} = 2^{(-5*-1)} = 2^5 = 32$

c) $\left[\left(\frac{5}{4})^2\right]^1 = (\frac{5}{4})^{2*1} = \frac{25}{16}$

d) $(1,2)^{-2} = \frac{1}{(1,2)^{2}} = \frac{1}{1,44}$