SOLUTION: how many distinguishable permutations are there of the letters in the word EFFECTIVE? Thank you

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Question 705757: how many distinguishable permutations are there of the letters in the word EFFECTIVE?
Thank you
Answer by vheroli(126) About Me  (Show Source):
You can put this solution on YOUR website!
EFFECTIVE has 9 letters, 3 E and 2 F:
9!/ (3!*2!)= 30240