Ответ:

  1. \(2^4+7^2=16+49=65\).
  2. \((-8)^2+(-4)^3=64-64=0\).
  3. \(7\cdot\left(-\frac{3}{7}\right)^3=7\cdot\left(-\frac{27}{343}\right)=-\frac{27}{49}\).
  4. \((-0.6)^3-(-0.5)^3=-0.216-(-0.125)=-0.091\).