SOLUTION: The padlock for your gym locker uses a 3 number sequence to open the lock. If the numbers go from 1 to 22, how many different sequences are there on the dial without repeating a nu
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Question 1089242: The padlock for your gym locker uses a 3 number sequence to open the lock. If the numbers go from 1 to 22, how many different sequences are there on the dial without repeating a number?
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
Number of possible combinations where order doesn't matter and numbers cannot be repeated:
n!/r!(n-r)! = 22!/3!(22-3)! = 1540
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