SOLUTION: The password must be 2 characters long. each character must be a letter a-z,a digit 0-9,or one of the 10 punctuation characters ! @ # % % ^ & * ().each password must contain at le

Algebra ->  Permutations -> SOLUTION: The password must be 2 characters long. each character must be a letter a-z,a digit 0-9,or one of the 10 punctuation characters ! @ # % % ^ & * ().each password must contain at le      Log On


   



Question 562279: The password must be 2 characters long. each character must be a letter a-z,a digit 0-9,or one of the 10 punctuation characters ! @ # % % ^ & * ().each password must contain at least 1 digit or punctuation character. Find the number of legal passwords?
Answer by issacodegard(60) About Me  (Show Source):
You can put this solution on YOUR website!
Hi, there are a total of (26+10+10)^2=46^2 possible passwords without that second restriction. Also, there are 26^2 passwords with no digits or punctuation characters. So, there are 46^2-26^2 passwords with at least one digit or punctuation character.