Welcome, Guest. Please Login
NTCS Homework Board
  Should discrepancies arise between this website and what is told in class, the information given in class takes priority
  HomeHelpSearchLogin Teacher Calendar Activities Calendar  
 
 
Page Index Toggle Pages: 1
Send Topic Print
Worksheet Answers (Read 45 times)
Oct 5th, 2018 at 11:27am

Mr. Kim   Offline
YaBB Teacher

Posts: 127
 
ANSWERS

PERMUTATIONS AND COMBINATIONS WORKSHEET

1. a) 6 5 = 30 b) 6 6 = 36

2. 5 4 = 20

3. a) 4 5 2 = 40 b) 5 6 3 = 90

4. 5^15 = 30,517,578,125

5. a) 6! = 720  b) C(6, 2) C(4, 2) = 90  c) C(6, 3) = 20 d) C(6, 3) C(3, 2) = 60

6. P(5, 5) = 5! = 120

7. 5! − 4 2 3! = 72

8. 8!/8 = 7! = 5040

9. 5! = 120

10. 5!/2!= 60

11. 10!/(3!3!2!)= 50, 400

12. 8!/(3!2!) = 3360

13. C(10, 5) C(5, 4) = 1260

14. C(8, 3) C(5, 4) = 280

15. a) 2^20 = 1, 048, 576 b) C(20, 7) = 77, 520 c) C(20, 10) = 184, 756

16. a) C(7, 2) = 21 b) C(4, 2) = 6 c) C(4, 1) C(3, 1) = 12

17. C(4, 2) C(7, 3) C(3, 1) = 630

18. C(7, 1) C(6, 3) C(3, 2) = 420

19. 3^10 = 59, 049

20. 5^6 = 15, 625
 
IP Logged
 
Page Index Toggle Pages: 1
Send Topic Print