Ответ:

  1. 30² = 30 · 30 = 900.
  2. 42² = 42 · 42 = 1764.
  3. 10² = 10 · 10 = 100.
  4. 110² = 110 · 110 = 12100.
  5. 10³ = 10 · 10 · 10 = 1000.
  6. 100³ = 100 · 100 · 100 = 1000000.
  7. 10⁴ = 10000.
  8. 10⁶ = 1000000.
  9. 10⁸ = 100000000.
  10. 10⁹ = 1000000000.