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Mrac [35]
3 years ago
10

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

Mathematics
1 answer:
anzhelika [568]3 years ago
6 0
Answer:

<span>8<span>C4</span>=<span><span>8!</span><span><span>(8−4)</span>!4!</span></span>=70</span>

Explanation:

This is equivalent to choosing 4 from an available 8 and is hence the combination

<span>8<span>C4</span>=<span><span>8!</span><span><span>(8−4)</span>!4!</span></span>=<span>70</span></span>
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