If their sequence matters to you, then there are (4 x 3 x 2) = 24 'permutations'.
If you only care which ones are in the group but not how they're arranged,
then there are (4 x 3 x 2)/(3 x 2) = only 4different 'combinations'.
720
Two make combinations you would take 2x1=2 combinations only
There are 125970 combinations and I am not stupid enough to try and list them!
126 combinations. Remember that the order does not matter.
There are 252 combinations.
4
9
720
Two make combinations you would take 2x1=2 combinations only
Assuming you are using the standard English alphabet, the number of combinations you can make are: 26 x 26 = 676 combinations.
Their is 25 combinations
Assuming that the only permitted operation is addition, then there are 4 combinations.
The other combinations you can make using that letter combination are:lightlightssighsight
Yuo can make only one combination of 30 digits using 30 digits.
It depends on the sizes of the combinations. For example, there is only one combination of 7 things out of 7, but there are 21 combinations of two items.
26 = 64 combinations, including the null combination - which contains no numbers.
462 combinations.