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Math Help - Different letters of words.

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    Different letters of words.

    How many different four letter words can be formed (the words need not be meaningful) using the letters of the word MEDITERRANEAN such that the first letter is E and the last letter is R
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  2. #2
    Senior Member BAdhi's Avatar
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    question can be broken into two sections

    E_ _R

    1.blank containing similar letters (ie E,A,N)
    2.blank containing different letters.(8 letters to 2 positions)
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