document.write( "Question 897853: Three maths books, four science books, two geography books and three history books are to be placed on a bookshelf. The books are all different.
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document.write( "a) In how many ways can the books be arranged on the shelf? (i got this part, its 479001600)
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document.write( "b) In how many ways ca the books be arranged so that the books of the same subject are grouped together? \r
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document.write( "Thank you in advance!
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Algebra.Com's Answer #544379 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! 4! ways of arranging the four groups \n" ); document.write( "b. 4!(3!4!2!3!) \n" ); document.write( " |