SOLUTION: How many different combinations can the numbers 1, 2, 3, 4, 5, 6, 7, 8, and 9 be arranged in if order is important?
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Question 1081822: How many different combinations can the numbers 1, 2, 3, 4, 5, 6, 7, 8, and 9 be arranged in if order is important?
Answer by ikleyn(52780) (Show Source): You can put this solution on YOUR website!
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It was answered at this link
https://www.algebra.com/algebra/homework/Permutations/Permutations.faq.question.1081824.html
https://www.algebra.com/algebra/homework/Permutations/Permutations.faq.question.1081824.html
On permutations, see the lessons
- Introduction to Permutations
- PROOF of the formula on the number of Permutations
- Problems on Permutations
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".
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