Question

Qual valor de 2E -26

Answer 1

Boa tarde Joao

(-1/2)*(-1/2)^6 = -(1/2)^7 

-(1/2)^7 + (1/2)^7 = 0

(1/3)^-3 = 3^3 = 27 

E = 27
2E = 54

54 - 26 = 28 (A)