Question

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

Answer 1

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!