document.write( "Question 167113This question is from textbook algebra 2
\n" ); document.write( ": how many ways can six different books be arranged on a shelf if one of the books is a dictionary and it must be listed first or last? \n" ); document.write( "
Algebra.Com's Answer #123490 by stanbon(75887)\"\" \"About 
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how many ways can six different books be arranged on a shelf if one of the books is a dictionary and it must be listed first or last?
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\n" ); document.write( "# of ways to place the dictionary: 2
\n" ); document.write( "# of ways to arrange the other 5 books: 5!
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\n" ); document.write( "Total # of arrangements: 2*5! = 2*120 = 240 ways
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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