a reading list for a course contains 20 articles. how many ways are there to

There are 20*19*18 = 6,840 ways to choose 3 articles assuming order matters. If order does not matter, then there are 6840/ (3!) = 6840/6 = 1,140 ways to choose 3 articles.

Full Answer

How do I get the course id from the reading list?

Since the columns are lookup columns, you only need to fill out one and the other will fill with the information from the source list. Now the Reading list displays the Course Name and Course ID information directly from the Course list, and it's easier to categorize new list items by selecting options from the Course list.

What chapter discusses how to get started with research?

Chapter 1 discusses how to get started with research and the information-seeking process. According to the Chapter, which of the following is important to consider when getting started? How much information is available on the Web

How do you easily find recent articles in your results?

Which two of the following choices help you easily find recent articles in your results? -Uncheck the "include citation" option. -Sort results by date instead of relevance. -Skip to a later page of search results. -Use the facets to select a year. Sort results by date instead of relevance. Use the facets to select a year.

What are the three common features of scholarly information?

Identify three common features of scholarly information, as described in Chapter 1: -includes footnotes and references -published by important publisher -qualifications of author included -meant for current news purposes -has gone through peer review includes footnotes and references qualifications of author included has gone through peer review

Question

A reading list for a course contains 20 20 articles. How many ways are there to choose three articles from this list?

Combinations and Permutations

When calculating the number of ways to choose a small group of objects from a larger set, we need to be careful about whether or not order matters. If order does matter, we are calculating the number of permutations. If order doesn't matter, we're calculating the number of combinations.