SOLUTION: Andre has 8 polished rocks at home. How many ways can he choose 4 of them to take to a rock and gemstone show?

SOLUTION: Andre has 8 polished rocks at home. How many ways can he choose 4 of them to take to a rock and gemstone show?

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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?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
8c4=8x7x6x5x4!/4x3x2x4!=7x2x5=70 different combinations possible to take to the show..
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