You have 12 books stacked up on a table. In how many ways can they be stacked if:
3 of these books to be together?
book A must be at the bottom and book B has to be on top?​


Sagot :

Answer:

6 many ways

Step-by-step explanation:

6 many ways

1.A, at bottom B, at middle C, at the top

2.A, at middle B, at the top C, at bottom

3,A, at the top B, at bottom C, at middle

4.A, at bottom B, at the top C, at middle

5.A, at middle B, at bottom C, at the top

6.A, at the top B, at middle C, at bottom