document.write( "Question 481833: Evaluate each factorial expression.\r
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document.write( "20!/2!18! \n" );
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Algebra.Com's Answer #329894 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 20!/18! = 20*19*18!/18! = 20*19 See that? All other terms cancel. \n" ); document.write( "------------------- \n" ); document.write( "20!/2!18! = 20*19/2 = 190 \n" ); document.write( " \n" ); document.write( " |