Question

Calcule : A) 7-2 elevado, B ) (5/7)-2 elevado , C) (2/3) -4 elevado , D ) 5-elevado a 3 e ) (2/5) -3 elevado

Answer 1

Resposta:

$a) { 7}^{2} = 49 \\b) {( \frac{5}{7}) }^{2} = \frac{25}{49} \\c) { (\frac{2}{3} )}^{4} = \frac{16}{81} \\ d) {5}^{3} = 125 \\ e) { (\frac{2}{5} )}^{3} = \frac{8}{125}$