SOLUTION: A computer password is to be made up consisting of four alphabetical characters. How many different computer passwords can be designed if repetition of letters is allowed?

Algebra ->  Probability-and-statistics -> SOLUTION: A computer password is to be made up consisting of four alphabetical characters. How many different computer passwords can be designed if repetition of letters is allowed?      Log On


   

Question 1082462: A computer password is to be made up consisting of four alphabetical characters. How many different computer passwords can be designed if repetition of letters is allowed?
Found 2 solutions by Fombitz, Alan3354:
Answer by Fombitz(32388) About Me  (Show Source):
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
A computer password is to be made up consisting of four alphabetical characters. How many different computer passwords can be designed if repetition of letters is allowed?
-----------
If it's not case sensitive, ie, A = a, then it's 26^4.
It it is case sensitive, ie, A <> a, then it's 52^4.