SOLUTION: Pls help me with this question.How many 6 code-word can be formed from the word ECONOMICS ?
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Question 459919: Pls help me with this question.How many 6 code-word can be formed from the word ECONOMICS ?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How many 6 code-word can be formed from the word ECONOMICS ?
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2-C's
2-O's
5 other letters
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Assuming you cannot repeat a letter you get:
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# of ways to choose the 1st letter: 7
# of ways to choose the 2nd letter: 6
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# of ways to choose the 6th letter: 2
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# of code-words = 7! = 5040
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If you can repeat a letter you get a different answer.
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Cheers,
Stan H.
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