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Find the number of ways to listen to 4 different CDs from a selection of 10 CDs. 151,200 5040 2880 720
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3 votes
Find the number of ways to listen to 4 different CDs from a selection of 10 CDs.

151,200

5040

2880

720

User Anuj Dhiman
by
8.3k points

2 Answers

1 vote
i think is the second number 5040
User Mtheriault
by
8.6k points
4 votes
Probibility (10,4)
= 10 * 9 * 8 * 7
= 5040
so B is right option
hope this helps
User Yinglcs
by
7.5k points
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