A password used to gain access to a computer account is to consist of two lowercase letters followed by four digits. Determine how many different passwords are possible if repetition of letters and digits is permitted.
Added by Stephen E.
Step 1
There are 26 letters in the alphabet, and since we are only using lowercase letters, there are 26 options for each of the two letters. Therefore, there are 26 x 26 = 676 possible combinations of two lowercase letters. Show more…
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