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Answers to Math Exercises & Math Problems: Variations, Permutations, Combinations

 

 

- Show Answer to the Exercise:


 

 

 

 

 

1. x = 6

 

2. x = 8

 

3. x = 7

 

4. V3(6) = 120 numbers, V2(5) = 20 of them are divisible by five.

 

5. 103×254 = 390,625,000

 

6. 36 = 729

 

7. 210

 

8. 11!

 

9. 5! = 120

 

10. 360

 

11. 190

 

12. 7

 

13. 119,700

 

14. 5,720

 

15. 771,400

 

16. 140

 

17. 209,440

 

18. 2×4! = 48

 

19. 266 = 308,915,776

 

20. 283×103 = 21,952,000

 

21. 2×4! = 48

 

22. 4!×7! = 120,960

 

23. 220

 

24. 359

 

25. 26×6! = 46,080

 

26. 108

 

27. 27,720

 

28. x = 6

 

29. x = 5

 

30. x = 9

 

 

 

 

 

 

You might be also interested in:

- Binomial Theorem

- Probability

- Factorials and Combinatorial Expressions

- Combinatorial Equations and Inequalities

 

 
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