Question

3^-5 como resolver?​

Answer 1

Resposta:

$3^{-5}=\frac{1}{3^{5}}=\frac{1}{243}$

Explicação passo-a-passo:

$3^{-5}=\frac{1}{3^{5}}=\frac{1}{243}$

Answer 2

Expoente negativo

$\boxed{\boxed{\mathsf{{{(\dfrac{a}{b})}}^{-n}={(\dfrac{b}{a})}^{n}}}}$

$\boxed{\boxed{\mathsf{{3}^{-5}={(\dfrac{1}{3})}^{5}=\dfrac{1}{343}}}}$