Posted by **Tian** on Monday, October 18, 2010 at 1:28pm.

Your small library of books consists of 6 novels, 7 mathematics books, and 1 biology book. Calculate the number of ways to arrange them on a bookshelf for each of these situations.

a) The books can be arranged in any order?

b The novels must be together but the other books can be arranged in any order?

- College Math -
**Goit-om**, Thursday, January 21, 2016 at 4:17pm
a) 14!

b) 6!*9!

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