Question

пример во вложениии             

Answer 1

$2^{-4}+(-4)^{-3}=frac{1}{2^4}+(-frac{1}{4})^3=frac{1}{2^4}-frac{1}{4^3}=frac{1}{2^4}-frac{1}{2^6}=\\=frac{2^2-1}{2^6}=frac{3}{64}$