Question
Passwords on a network are made up of two parts. One part consists of three letters of the alphabet, not necessarily different, and five digits, also not necessarily different. How many passwords are possible on this network?
Step 1
Since the letters can be repeated, we have 26 choices (the number of letters in the alphabet) for each of the three spots. Therefore, the total number of possibilities for the first part is $26^3$. Show more…
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EMAIL
PASSWORD