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Jenny White is shopping for CDs. She decides to purchase 4 movie soundtracks. The music store has 10 different movie soundtracks in stock. How many different

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Jenny White is shopping for CDs. She decides to purchase 4 movie soundtracks. The music store has 10 different movie soundtracks in stock. How many different selections of movie soundtracks are​ possible?

 Dec 18, 2016

2+0 Answers

 #1
avatar+37146 
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Just a guess    210???

 Dec 18, 2016
 #2
avatar+118667 
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10C4nCr (10,4) = 210

 Dec 18, 2016

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