Ответ:

  1. \(700 \cdot 6 = 4200\).
  2. \(3 \cdot 216000 = 648000\).
  3. \(42400 \cdot 3 = 127200\).
  4. \(700 \cdot 8 = 5600\).
  5. \(8 \cdot 20330 = 162640\).
  6. \(1600 \cdot 5 = 8000\).
  7. \(4 \cdot 7000 = 28000\).
  8. \(80300 \cdot 7 = 562100\).
  9. \(6 \cdot 23000 = 138000\).