Question

Calcule as potências
a) 2-⁵
b)5-³
c) (½)-²
d) (⅔)-³

Answer 1

Resposta:

$a)2 {}^{ - 5} = \frac{1}{2 {}^{5} } \\ b)5 {}^{ - 3} = \frac{1}{5 {}^{3} } \\ c)( \frac{1}{2} ) {}^{ - 2} = 2 {}^{2} \\ d)( \frac{2}{3}) {}^{ - 3} = ( \frac{3}{2} ) {}^{3} = \frac{9}{8}$