SOLUTION: a format for passwords is a letter, two digits, a letter, two digits, a letter. a) How many different passwords are possible using this format if only lowercase letters may be

Algebra ->  Permutations -> SOLUTION: a format for passwords is a letter, two digits, a letter, two digits, a letter. a) How many different passwords are possible using this format if only lowercase letters may be       Log On


   



Question 524676: a format for passwords is a letter, two digits, a letter, two digits, a letter.
a) How many different passwords are possible using this format if only lowercase letters may be used?
b) How many passwords are possible if the digits 0 and 1 and the letters l and o are not used because their appearances are hard to distinguish?

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


a)

b)

John

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