Question

Calcule e dê o resultado da expressão mais simples:
8^(2/3)+((7^(-5).7^2 )/7^(-2) )

Answer 1

8^(2/3)+((7^(-5).7^2)/7^(-2))=
raiz cúbica de 8^2 + ((1/7)^5.49/(1/7)^2)=
raiz cúbica de 64 + ((1/16807).49/1/49)=
4+((49/16807)/1/49)=
4+(1/343/1/49)=
4+(1/343.49/1)=
4+(49/343)=
4+1/7=
7.4/7+1/7=
28/7+1/7=
29/7