Ответ:

  1. \(\dfrac{4^{16}}{8^{10}}=\dfrac{2^{32}}{2^{30}}=2^2=4\).
  2. \(\dfrac{25^{11}}{125^7}=\dfrac{5^{22}}{5^{21}}=5\).
  3. \(\dfrac{3^{14}\cdot(3^4)^2}{3^{20}}=3^{14+8-20}=3^2=9\).
  4. \(\dfrac{125^7}{5^9\cdot25^5}=\dfrac{5^{21}}{5^9\cdot5^{10}}=5^2=25\).
  5. \(\dfrac{27^5}{9^2\cdot81^2}=\dfrac{3^{15}}{3^4\cdot3^8}=3^3=27\).
  6. \(\dfrac{64^2\cdot32^5}{16^3\cdot8^8}=\dfrac{2^{12}\cdot2^{25}}{2^{12}\cdot2^{24}}=2\).

Ответ: а) 4; б) 5; в) 9; г) 25; д) 27; е) 2.