SOLUTION: A password must be 8 characters in length, composed of any uppercase letters the digits 0-9 and must begin or end with a special character ! + $ or &. Finally without any repeating

Algebra ->  Permutations -> SOLUTION: A password must be 8 characters in length, composed of any uppercase letters the digits 0-9 and must begin or end with a special character ! + $ or &. Finally without any repeating      Log On


   

Question 870779: A password must be 8 characters in length, composed of any uppercase letters the digits 0-9 and must begin or end with a special character ! + $ or &. Finally without any repeating characters, how many possible passwords can be made?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
There are 4 choices for the first and 8th position.
There are 36 (26+10) choices for the 2nd to 7th position.
N=4%2A36%2A35%2A34%2A33%2A32%2A31%2A3=16828922880