Question

Quinta potencia de -7

Answer 1

Bom dia!

${( - 7)}^{2} = ( - 7) \times ( - 7) \times ( - 7) \times ( - 7) \times ( - 7) = \\ 49 \times ( - 7) \times ( - 7) \times ( - 7) = \\ ( - 343) \times ( - 7) \times ( - 7) = \\ 2401 \times ( - 7) = \\ - 16807$

Espero ter ajudado!
Bons estudos! :)