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To complete an English exam, you must write 3 essays from a list of 7 prompts. In how many ways can you complete the exam?
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To complete an English exam, you must write 3 essays from a list of 7 prompts. In how many ways can you complete the exam?

User Ivan Lee
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1 Answer

6 votes

Answer:

35 ways

Explanation:

7 nCr 3 = 7!/(3!(7-3)!) = 7!/(3!*4!) = 35

User Jwalk
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