Question 1073505: Suppose that your computer password must contain four characters, must begin with a letter, and may contain digits and letters only. How many different passwords can you create?
Answer by jorel1380(3719)   (Show Source):
You can put this solution on YOUR website! Since there are 26 letters in the alphabet, and 10 digits 0-9, there are 36 possibilities for each character. But, our password has to begin with a letter, so we have:
26x36x36x36, or 1,213,056 possible passwords (disregarding case-sensitivity). ☺☺☺☺
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