document.write( "Question 421702: Andre has 8 polished rocks at home. How many ways can he choose 4 of them to take to a rock and gemstone show? \n" ); document.write( "
Algebra.Com's Answer #320208 by jorel1380(3719)\"\" \"About 
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8c4=8x7x6x5x4!/4x3x2x4!=7x2x5=70 different combinations possible to take to the show.. \n" ); document.write( "
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