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Find the number of ways to listen to four CDs from a selection of 8 CDs.

1680

336

70

50

User JimHawkins
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2 Answers

4 votes
i think it would be 336 because none of the rest is divisible by 4 i think
User JulCh
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5 votes
The number of ways to listen to four CDs from a selection of 8 CDs is 70.
User Vtlinh
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