Question

Resposta de
A)4.4³.4-² = ?
B)5-¹.5-².5³ = ?

Answer 1

$4 \times {4}^{3} \times {4}^{ - 2} = \\ {4}^{1 + 3 - 2 } = \\ {4}^{2} = 4 \times 4 = 16 \\ \\ {5}^{ - 1} \times {5}^{ - 2} \times {5}^{3} = \\ {5}^{ - 1 - 2 + 3} = \\ {5}^{0} = 1$

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