SOLUTION: a personal password is to consist of a letter, followed by two digits, followed by 2 letters. Determine the number of codes possible if the first digit cannot be zero and repe

Algebra ->  Permutations -> SOLUTION: a personal password is to consist of a letter, followed by two digits, followed by 2 letters. Determine the number of codes possible if the first digit cannot be zero and repe      Log On


   

Question 743691: a personal password is to consist of a letter, followed by two digits, followed
by 2 letters. Determine the number of codes possible if the first digit cannot
be zero and repetition is permitted.
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
a personal password is to consist of a letter, followed by two digits, followed
by 2 letters. Determine the number of codes possible if the first digit cannot
be zero and repetition is permitted.
.
first: 26 letters
second: 9 digits (excludes zero)
third: 10 digits (includes zero)
fourth: 26 letters
fifth: 26 letters
.
number of codes:
26*9*10*26*26 = 1581840