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How many different permutations can be formed from the letters in the word "essence"
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The word has 7 letters; of them, " e " has the multiplicity 3 and " s " has multiplicity 2.
Therefore, the formula for the number of distinguishable permutations / (arrangements) is
= = 420. ANSWER
Solved.
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To see many other similar (and different) solved problems, look into the lesson
- Arranging elements of sets containing indistinguishable elements
in this site.