Question

calcule as potências:

$( \frac{8}{3} ) {}^{2}$

$\frac{8}{3}{}^{2}$

$\frac{8}{3 {}^{2} }$

$(1 \frac{2}{3}) { {}^{4} }^{}$

ajudaaaaapor favor :(
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Answer 1

Resposta:

$\text{Leia abaixo}$

Explicação passo-a-passo:

a.

$(\dfrac{8}{3})^2 = \dfrac{8^2}{3^2} = \dfrac{64}{9}$

b.

$\dfrac{8^2}{3} = \dfrac{64}{3}$

c.

$\dfrac{8}{3^2} = \dfrac{8}{9}$

d.

$(1\: \dfrac{2}{3})^4 = (\dfrac{5}{3})^4 = \dfrac{5^4}{3^4} = \dfrac{625}{81}$