Ответ:

  1. \(\left(\frac{1}{2}\right)^4=\frac{1^4}{2^4}=\frac{1}{16}\).
  2. \(\left(\frac{2}{5}\right)^3=\frac{2^3}{5^3}=\frac{8}{125}\).
  3. \(\left(1\frac{1}{3}\right)^4=\left(\frac{4}{3}\right)^4=\frac{256}{81}\).
  4. \(\left(2\frac{2}{3}\right)^2=\left(\frac{8}{3}\right)^2=\frac{64}{9}\).