$$\frac{4^7}{2^7}:2^3 = \frac{(2^2)^7}{2^7}:2^3 = \frac{2^{14}}{2^7}:2^3 = 2^{14-7}:2^3 = 2^7:2^3 = 2^{7-3} = 2^4 = 16$$
Ответ: 16