Johns Number Puzzle

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Across
  1. 3. 295628+505565
  2. 10. Round 78,234 to greatest place
  3. 12. 18,985-5,554
  4. 14. eight million eight hundred twenty six thousand six hundred eighty eight
  5. 15. 300000+60000+9000+900+90+7
  6. 16. ninety thousand one hundred three
  7. 17. subtract 5623 from 9752
  8. 18. 29563 round to the nearest 10000
Down
  1. 1. round 69,082 to the greatest place
  2. 2. 989+697825
  3. 4. 566464 + 95,621
  4. 5. 18,676+6,837
  5. 6. 900,892-600,068
  6. 7. four million seven hundred sixty five thousand nine hundred forty nine
  7. 8. 4000000+900000+80000+7000+600+20+3
  8. 9. round 759340 to the nearest hundreds place
  9. 11. 8000000+200000+10000+8000+10+2
  10. 13. 5644656-5323266