Ответ:

  1. \(43\,610\,000 : 10 = 4\,361\,000\);
  2. \(43\,610\,000 : 1\,000 = 43\,610\);
  3. \(43\,610\,000 : 10\,000 = 4\,361\);
  4. \(2\,160\,000 : 180 = 12\,000\);
  5. \(2\,160\,000 : 1\,800 = 1\,200\);
  6. \(2\,160\,000 : 18\,000 = 120\).