document.write( "Question 747208: What is 9 choosing 4? (9C4) please show all work \n" ); document.write( "
Algebra.Com's Answer #454762 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\"nCr=n%21%2F%28n-r%29%21r%21\"....\"n=9\" and \"r=4\"\r
\n" ); document.write( "\n" ); document.write( "\"9C4=9%21%2F%289-4%29%214%21\"\r
\n" ); document.write( "\n" ); document.write( "\"9C4=9%21%2F%285%214%21%29\"\r
\n" ); document.write( "\n" ); document.write( "\"9C4=%289%2A8%2A7%2A6%2A5%2A4%2A3%2A2%2A1%29%2F%285%2A4%2A3%2A2%2A1%284%2A3%2A2%2A1%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "\n" ); document.write( "\"9C4=9%2A2%2A7\"\r
\n" ); document.write( "\n" ); document.write( "\"9C4=126\"
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