Question

5 elevado a menos 3 é igual a:
Quest.: 3
1/5
125/3
5/3
3/5
1/125

Answer 1

$5^{-3} = \frac{1}{5^3} = \frac{1}{125}$

Answer 2

5^-3 = 1/5^3

5^3= 5.5.5 = 125

logo 5^-3= 1/125