Ответ:

  1. \(5^4:25=625:25=25\).
  2. \(1024:2^3=1024:8=128\).
  3. \(16:2^5=16:32=0.5\).
  4. \(20\,000:10^3=20\,000:1000=20\).
  5. \(3^6\cdot243=729\cdot243=177\,147\).
  6. \(512:8^2=512:64=8\).
  7. \(16:4^3=16:64=0.25\).
  8. \(3^5:162=243:162=1.5\).
  9. \(10^4:2^4=10\,000:16=625\).
  10. \(8^2:4^3=64:64=1\).