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The same number of ways as the group of 4 items can be taken at a time from 12 items.
The order in the group is not important (the order does not matter) - so it is about combinations, and not about permutations.
Answer. By = = 495 ways.
Notice the difference between this problem and that of the link
https://www.algebra.com/algebra/homework/Permutations/Permutations.faq.question.1131135.html
https://www.algebra.com/algebra/homework/Permutations/Permutations.faq.question.1131135.html
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On Combinations and Permutations, see introductory lessons
- Introduction to Permutations
- PROOF of the formula on the number of Permutations
- Problems on Permutations
- Introduction to Combinations
- PROOF of the formula on the number of Combinations
- Problems on Combinations
- OVERVIEW of lessons on Permutations and Combinations
in this site.
Also, you have this free of charge online textbook in ALGEBRA-II in this site
- ALGEBRA-II - YOUR ONLINE TEXTBOOK.
The referred lessons are the part of this online textbook under the topic "Combinatorics: Combinations and permutations".
Save the link to this textbook together with its description
Free of charge online textbook in ALGEBRA-II
https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson
into your archive and use when it is needed.