This preview shows page 1. Sign up to view the full content.
Unformatted text preview: rule, the answer is 3 x 4 = 12. (b) [BB] This time she must choose either a morning or an afternoon course. There are 4 + 3 = 7 choices. 2. (a) By the addition rule, there are 2 + 2 + 6 = 10 choices of molding. (b) By the multiplication rule, there are 2 x 4 = 8 choices of metal molding, 2 x 4 = 8 choices of wood molding and 6 x 4 = 24 choices of plastic molding. By the addition rule, the consumer can choose any of 8 + 8 + 24 = 40 moldings. 3. [BB] 10 x 9 x 8 = 720. 4. (a) There are nine choices for the first digit, nine for the second and eight for the third; in all 9 x 9 x 8 = 648 numbers. (b) There are five choices for the last digit, then eight choices for the first and eight choices for the middle; in all, 5 x 8 x 8 = 320 numbers....
View
Full
Document
This note was uploaded on 11/08/2010 for the course MATH discrete m taught by Professor Any during the Summer '10 term at FSU.
 Summer '10
 any
 Graph Theory, Sets

Click to edit the document details