A teacher has four books-A, B, C, and D-to assign to four students in any order he prefers.
Se...
Mathematics, 24.04.2020 18:56 yayamcneal05
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 arrangements 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? C
If book C is chosen first and D is chosen second, in how many ways can the teacher assign the books?
Intro
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Answers: 1
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