Big Number Problems

123456789101112131415161718
Across
  1. 3. 80046-70564
  2. 7. eleven thousand two hundred sixty
  3. 8. 111401-4634
  4. 10. 6432 rounded to the greatest place
  5. 11. 6436467-4634
  6. 13. 600460 rounded to the greatest place
  7. 14. 40064 rounded to the nearest thousand
  8. 15. 1634 rounded to the nearest hundred
  9. 16. 1110643+3456
  10. 18. One hundred three thousand two hundred forty six
Down
  1. 1. 6463+2064
  2. 2. 1113-364
  3. 4. 264560+163645
  4. 5. 2000+600+40+6
  5. 6. 2000 rounded to the nearest ones
  6. 7. one thousand two hundred sixty
  7. 8. 10000+6000+300+90+1
  8. 9. 600000+30000+2000+40
  9. 12. 12645+6434
  10. 15. 1000000+200000+3000+200+1
  11. 17. three million sixty four thousand thirty four