Question

pfv alguém me ajudaaaaa​

Answer 1

Resposta:

a)2197

b)4/9

c)9/4

Explicação passo-a-passo:

$a)13^{3}\\13*13*13\\2197\\\\b)(\frac{2}{3})^{2} \\\frac{2}{3}*\frac{2}{3}\\\frac{4}{9} \\\\c)(\frac{2}{3})^{-2}\\(\frac{3}{2})^{2}\\\frac{3}{2}*\frac{3}{2}\\ \frac{9}{4}$