How many ways can 8 different books be arranged on a shelf if 3 specific books must be together?
Practice Questions
1 question
Q1
How many ways can 8 different books be arranged on a shelf if 3 specific books must be together?
720
5040
40320
2880
Treat the 3 specific books as one unit. So, we have 6 units to arrange: 6! = 720. The 3 books can be arranged in 3! = 6 ways. Total = 720 * 6 = 4320.
Questions & Step-by-step Solutions
1 item
Q
Q: How many ways can 8 different books be arranged on a shelf if 3 specific books must be together?
Solution: Treat the 3 specific books as one unit. So, we have 6 units to arrange: 6! = 720. The 3 books can be arranged in 3! = 6 ways. Total = 720 * 6 = 4320.
