SOLUTION: How many 3 letter combinations can you make with 3 letters,CAT letters can be duplicated for example AAA, ACC

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Question 336406: How many 3 letter combinations can you make with 3 letters,CAT letters can be duplicated for example AAA, ACC
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
3^3=27 combinations