24
there are 13,983,816 combinations.
15487877842540 to be precise
30
6
36^36 (36 * 36 * 36 * 36 * 36 *...)
The number of combinations of six numbers that can be made from seven numbers will depend on if you can repeat numbers. In all there are over 2,000 different numbers that can be made.
8C6 = 28
10 Combinations (if order doesn't matter). 3,628,800 Possiblilities (if order matters).
66
15
10,000
120
56 combinations. :)
there are 13,983,816 combinations.
There are 7 combinations. Each combination excludes a different one of the seven numbers.
6 different combinations can be made with 3 items
If the numbers can be repeated and the numbers are 0-9 then there are 1000 different combinations.