Question

aplicando a definição de potência calcule o valor de:
(-⅔)⁵​

Answer 1

Resposta:

$-\dfrac{32}{243}$

Explicação passo-a-passo:

$\left(-\dfrac{2}{3}\right)^5=\left(-\dfrac{2}{3}\right)\times \left(-\dfrac{2}{3}\right)\times \left(-\dfrac{2}{3}\right)\times \left(-\dfrac{2}{3}\right)\times \left(-\dfrac{2}{3}\right)=\dfrac{4}{9}\times \dfrac{4}{9}\times \left(-\dfrac{2}{3}\right)=\dfrac{16}{81}\times \left(-\dfrac{2}{3}\right)=-\dfrac{32}{243}$

Espero ter ajudado.