SOLUTION: in how many ways can the letters of the word PERIMETER be arranged? also arrange four different letters of the word in a row?

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Question 301992: in how many ways can the letters of the word PERIMETER be arranged? also arrange four different letters of the word in a row?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
in how many ways can the letters of the word PERIMETER be arranged?
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# of arrangements = 9!/(3!*2!) = 30240
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Cheers,
Stan H.