homework Help!

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dhogue

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Oct 26, 2010
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I missed this class and know working on homework I am completely lost. For example, one problem says evaluate the expression 5P4?
 


nPr represents a number of permutations.

nPr is the number of permutations of n objects taken r at a time.

5P4 is the number of permutations of 5 objects taken 4 at a time.

Do you have a textbook that explains permutations ? (Look in the index.)

If not, let us know.

 
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