Question 930408: How many 6-letter codes can be formed using the letters A, B, C, D, E, F, G, H, and I. Repeated letters are allowed
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! count of the set = {A, B, C, D, E, F, G, H, I} = 9
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answer:
9*9*9*9*9*9 = 531,441
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