document.write( "Question 169228: I have worked out this problem, but it doesn't look right to me. Could you see what I have done wrong please.
\n" );
document.write( "directions: Evaluate C(12,10)
\n" );
document.write( "C(12,10)=12!/(12-10)!
\n" );
document.write( "C(12,10)=12!/2!
\n" );
document.write( "C(12,10)=(1*2*3*4*5*6*7*8*9*10*11*12)/(1*2)
\n" );
document.write( "C(12,10)=3*1*5*6*7*8*9*10*11*12
\n" );
document.write( "C(12,10)=239,500,800
\n" );
document.write( "Will you please show me if I did something wrong. This looks like to big of a number
\n" );
document.write( "Thank you \n" );
document.write( "
Algebra.Com's Answer #124788 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! You forgot the \"r!\" in the denominator. \n" ); document.write( "C(n,r) = n!/(r!(n-r)!) \n" ); document.write( "C(12,10) = 12!/(10!(12-10)!) \n" ); document.write( "C(12,10) = 12!/(10!(2)!) \n" ); document.write( "C(12,10) = (11*12)/(1*2) \n" ); document.write( "C(12,10) = 132/2 \n" ); document.write( "C(12,10) = 66\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |