Select 1 unique numbers from 10 to 7
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): -2
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): -2
If order does not matter (e.g. most lottery numbers): -2
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): -2
