document.write( "Question 634811: Find the number of ways in which nine books can be arranged in a shelf if four particular books are to be kept together. \n" ); document.write( "

Algebra.Com's Answer #399898 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "ways in which nine books can be arranged in a shelf if four particular books are to be kept together.
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document.write( " 4 books as one Unit  or 24 ways they can sit together on the shelf
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document.write( "ALL nine:  = 17,280 ways \n" );
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