Ответ:

  1. \(2^2\cdot2^3=2^5=32\).
  2. \(3^2\cdot3\cdot3^3=3^{2+1+3}=3^6=729\).
  3. \(7^9\cdot\left(\frac1{14}\right)^9=\left(\frac7{14}\right)^9=\left(\frac12\right)^9=\frac1{512}\).