A password is 4 characters long must consist of 3 letters and 1 number of letters cannot be repeated and the password must end with a number how many possibilities are there


The answer is 156,000 as you can use 26 letters on the first spot 25 on the second spot and 24 on the third with the number being 0-9 so you would do 26*25*24*10 to get 156,000!

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