Question

(0,5)-³
me ajudem pfv​

Answer 1

$(0.5) {}^{ - 3}$

> Converta

$0.5 = \frac{5}{10} \div \: \frac{5}{5} = \frac{1}{2}$

$( \frac{1}{2} ) {}^{ - 3}$

$( \frac{1}{a} ) {}^{ - n}$

$= a {}^{n}$

> Substituindo:

$2 {}^{3}$

$= 8$