Select 2 unique numbers from 800 to 1000
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 20,100 (~20 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 40,200 (~40 thousand)
            
                If order does not matter (e.g. most lottery numbers): 20,100 (~20 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 40,200 (~40 thousand)



