Question

Determine o valor do y​

Answer 1

Resposta:

y = -7/2

Explicação passo-a-passo:

$\frac{2^{-1} + 2^{2} - 2^{3}}{2^{-4}.2^{4}} \\=\frac{\frac{1}{2} +4 -8 }{2^{4-4}} \\=\frac{\frac{1}{2}-4 }{2^{0}} \\=\frac{1}{2} - 4\\=\frac{1}{2} - \frac{8}{2} \\= \frac{-7}{2}$