document.write( "Question 972164: How many subsets with exactly 8 elements are there for a set of 11 elements?
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document.write( "So far I have tried using 11c8 but not sure if that is what the answer should be but I have also done 11x10x9x8x7x6x5x4 for 8 elements but get a different answer.
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document.write( "Answers are 125,165,256,720,7920 \n" );
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Algebra.Com's Answer #594521 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! It is 11C8, which is 165\r \n" ); document.write( "\n" ); document.write( "11!/8!3!= 11*10*9*8!/8!*6= 990/6=165 \n" ); document.write( " |