Question

Se x=4, x^y=32 e x-y=z, o valor de x^z é igual a:

Answer 1

4^y = 32
(2)^2y = 2^5
2y = 5
y = 5/2

x-y = z
z = 4-5/2
z = 3/2

4^3/2 = √4^3 = √64 = 8