Select 7 unique numbers from 1 to 100
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 16,007,560,800 (~16 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 80,678,106,432,000 (~81 trillion)
            
                If order does not matter (e.g. most lottery numbers): 16,007,560,800 (~16 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 80,678,106,432,000 (~81 trillion)



