Question

Alguém ??

2^4 / 2^-3 x (2^3)^-2 / (1/2)^-5

Answer 1

$2^4\div2^{-3}\times(2^3)^{-2}\div( \frac{1}{2} )^{-5}= \\ \\ 2^{4-(-3)}\times2^{-6}\div2^5= \\ \\ 2^{4+3}\times2^{-6-5}= \\ \\ 2^7\times2^{-11}= \\ \\ 2^{7-11}=2^{-4}= \frac{1}{2^4} = \frac{1}{16}$