9!/5! or 3024
9
Assuming 9 numbers chosen from 56, with no repetition allowed, there are 7575968400 possible combinations.
If every number can be used as many times as you like, there are 104 = 10000 different combinations. If each number can only be used once, there are 9!/(9 - 4)! = 5040 combinations.
9
9!/5! or 3024
There are: 9C6 = 84 combinations
24
10
There are 167960 combinations.
9
Assuming 9 numbers chosen from 56, with no repetition allowed, there are 7575968400 possible combinations.
If every number can be used as many times as you like, there are 104 = 10000 different combinations. If each number can only be used once, there are 9!/(9 - 4)! = 5040 combinations.
10 Combinations (if order doesn't matter). 3,628,800 Possiblilities (if order matters).
It is: 9C7 = 36
66
6 ways: 931,913,139,193,391,319