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The number of distinct arrangements of letters in the word MISSISSIPPI (4 S, 4 I, 2 P, 1 M) is:
A$11!$, the raw factorial without dividing by repeats
B$11!/(4!\cdot 4!\cdot 2!\cdot 1!) = 34650$ by the standard formula
C$11$, simply the number of letters in the word
D$0$, since repeated letters cannot be arranged at all
Answer & Solution
Correct answer: B. $11!/(4!\cdot 4!\cdot 2!\cdot 1!) = 34650$ by the standard formula
$11!/(4!\cdot 4!\cdot 2!\cdot 1!) = 34650$.
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