Select 10 unique numbers from 40 to 90
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 12,777,711,870 (~13 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 46,367,760,833,856,000 (~46 quadrillion)
            
                If order does not matter (e.g. most lottery numbers): 12,777,711,870 (~13 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 46,367,760,833,856,000 (~46 quadrillion)



