College Math
posted by Tian .
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?

a) 14!
b) 6!*9!
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