Answers are at the bottom of this post.
Here are today's slides ...
Answers to homework questions:
1. 120
2. 20 160
3. (a) 840 (b) 240 (c) 144
4. (a) 2160 (b) 1260 (c) 660
5. 144
6. 4320
7. (a) 4536 (b) 2240 (c) 952
8. (a) 5040 (b) 720
9. (a) 576 (b) 72
10. (a) 891 (b) 445 (c) 179
11. 240
12. (a) 10 416 (b) 5082
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