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A reading list for a course contains 20 articles. how many ways are there to choose three articles from this list? place your answer in the blank. do not use any decimal places …

A reading list for a course contains 20 articles. how many ways are there to choose three articles from this list? place your answer in the blank. do not use any decimal places …
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A reading list for a course contains 20 articles. how many ways are there to choose three articles from this list? place your answer in the blank. do not use any decimal places or commas. for example, 45 would be a legitimate entry.

User Tristan Lee
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1 Answer

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The answer is 1140, because it would be a legitimate entry.
User Oddmeter
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