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Marina CMI [18]
2 years ago
8

A teacher has four books—A, B, C, and D—to assign to four students in any order he prefers. Set S includes all possible arrangem

ents of the four books. Set X includes all possible arrangements when book C is chosen first and D is chosen second. Which notation is correct? If book C is chosen first and D is chosen second, in how many ways can the teacher assign the books?
Mathematics
1 answer:
Oksanka [162]2 years ago
4 0

Answer:

720, 12, 120

Step-by-step explanation:

e2020

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