Question 1173142: 1.Q1: From the letters of MISSISSIPPI, how many different 11 letter words can be constructed?
2.From the letters of TALLAHASSEE, how many different 4 letter words can be constructed if letter repetition are not permitted.
please help me
Answer by ikleyn(52778)   (Show Source):
You can put this solution on YOUR website! .
1. From the letters of MISSISSIPPI, how many different 11 letter words can be constructed?
2. From the letters of TALLAHASSEE, how many different 4 letter words can be constructed if letter repetition are not permitted.
please help me
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In this post, I will answer part (1), ONLY.
1) M I S S I S S I P P I
11 letters, in all.
4 letters " I "
4 letters " S "
2 letters " P "
The number of distinguishable arrangements =  = 34650. ANSWER
In my formula, recognise the multiplicities of the letters.
For more explanations, see the lesson
- Arranging elements of sets containing indistinguishable elements
in this site.
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