Select 1 unique numbers from 10 to 0
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): -9
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): -9
If order does not matter (e.g. most lottery numbers): -9
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): -9
