Question 1096046
 A 5-character password must be chosen by arranging the characters 1, 2, A, B, and @. The password must start with a letter. How many different passwords are possible?
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The 1st character is A or B --> 1/2
The 2nd is 1 of 4
The 3rd is 1 of 3
The 4th is 1 of 2
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----> 2*4*3*2 = 48