document.write( "Question 499067: in how many orders can 7 chapters be arranged in the index of a textbook if the chapter on probability is to be listed in the middle of the series of chapter? \n" ); document.write( "
Algebra.Com's Answer #337369 by chessace(471)\"\" \"About 
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Just regard the other 6 as fill 6 places (3 on either side).
\n" ); document.write( "6! = 720.
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