Use mental math to determine whether each number is
divisible by 1, 2, 3, 5, 9, or 10.
9. 126
10. 257
11. 430
12. 535
13. 745
14. 896
15. 729
16. 945
17. 4,580
18. 6,331
19. 7,952
20. 8,000
21. 19,450
22. 21,789
23. 43,785
24. 28,751