SOLUTION: Permutations 1. taking all 7 letters at a time 2. taking 5 letts at a time 3. taking 4 letters at a time 4. taking 3 letters at a time Question: in how many ways can 12 bo

Question 93528: Permutations
1. taking all 7 letters at a time
2. taking 5 letts at a time
3. taking 4 letters at a time
4. taking 3 letters at a time
Question: in how many ways can 12 books be displayed on a shelf if the given number of books are available?
5. 12 books
6. 14 books
7. 15 books
8. 20 books
Question: Find the number of permutations of the letters in each word.
9. geometry
10. algebra
11. addition
12. calculus
13. mathematics
14. arithmetic
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Permutations
1. taking all 7 letters at a time---: 7!
2. taking 5 letts at a time---: 7!/(7-5)!
3. taking 4 letters at a time---: 7!(7-4)!
4. taking 3 letters at a time
Question: in how many ways can 12 books be displayed on a shelf if the given number of books are available?
5. 12 books-- : 12!
6. 14 books-- : 14!/(14-12)!
7. 15 books-- : 15!/(15-12)!
8. 20 books
Question: Find the number of permutations of the letters in each word.
9. geometry---: 8!/2!
10. algebra--: 7!/2!
11. addition--: 8!/[2!*2!]
12. calculus--: 8!/[2!*2!*2!]
13. mathematics
14. arithmetic

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