Question

Qual o valor ?
(-3)⁷ : (-3)

Answer 1

$\left(-3\right)^7\div \left(-3\right)$

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$\left(-3\right)^7= -2187$

$-2187\div \left(-3\right)$

Aplicamos a regra $-a\div \left(-b\right)\:=\:a\div \:b$

$2187\div \:3\\\\=729$