Question

2^-3+3^-2.(1/3)-1


alguém pra ajudar?​

Answer 1

Resposta: 1/27 ;)

$2^2-3+3-^2.(\dfrac{1}{3})-1=\\ \\4-3+\dfrac{1}{9} .(\dfrac{1}{3})-1=\\ \\4-3+\dfrac{1}{27} -1=\\\\\\\ \dfrac{108-81+1-27}{27}=\\\\\\\dfrac{1}{27}$