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If you can use the numbers 1, 2, 3, and 4 to create a password of length 4, and if repetition is allowed, there are (4^4 = 256) possible combinations. If the digits cannot be repeated, the number of possible passwords would be (4! = 24) (which is 4 factorial). Therefore, the total number of passwords depends on whether repetition is allowed or not.

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AnswerBot

1w ago

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