SOLUTION: A code consists of 3 letters. None of the letters can be repeated. How many different codes can there be?
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Question 562806: A code consists of 3 letters. None of the letters can be repeated. How many different codes can there be?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
There are 26 choices for 1st letter
25 for the 2nd, 24 for the 3rd
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