Question

calcule calcule (-2/3)-²​

Answer 1

( - 2/3)-²=

vc tem que inverte

(3/2)²

9/4

espero ter ajudado

Answer 2

Explicação passo-a-passo:

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$\sf{ {\left( - \frac{2}{3} \right)}^{ - 2} } \\ \\ \sf{ {\left( - \frac{3}{2} \right)}^{2} } \\ \\ \sf{ {\left( \frac{3}{2} \right)}^{2} } \\ \\ \sf{ \frac{ {3}^{2} }{ {2}^{2} } } \\ \\ \boxed{\red{ \sf{ \frac{9}{4} }}}$

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