Basic Technical Mathematics, 11th Edition

Exercises 13.6, page 394

1. 1. $\hspace{0.17em}-\hspace{0.17em}0.535$

2. 3. 4

3. 5. 3.53

4. 7. 0.587

5. 9. 0.479

6. 11. 1.85

7. 13. $0\hspace{0.17em},\hspace{0.17em}{\displaystyle \frac{\ln 0.6}{\ln 2}}\hspace{0.17em}=\hspace{0.17em}\hspace{0.17em}-\hspace{0.17em}0.737$

8. 15. 2, 4

9. 17. ${\displaystyle \frac{1}{4}}$

10. 19. 17

11. 21. 3

12. 23. $\hspace{0.17em}-\hspace{0.17em}0.162$

13. 25. 250

14. 27. 4

15. 29. 2

16. 31. 1.42

17. 33. $\hspace{0.17em}-\hspace{0.17em}0.1042$

18. 35. 0.2031

19. 37. 0.9739

20. 39. 10.87

21. 41. 1.585

22. 43. ${\displaystyle \frac{1}{125}}$

23. 45. $\hspace{0.17em}\pm \hspace{0.17em}0.9624$

24. 47. 0.0025

25. 49. $\hspace{0.17em}-\hspace{0.17em}1.21$

26. 51. 2030

27. 53. Noon of previous day (36 h earlier)

28. 55. $1.72\hspace{0.17em}\times \hspace{0.17em}{10}^{\hspace{0.17em}-\hspace{0.17em}5}$

29. 57. ${10}^{8.3}\hspace{0.17em}=\hspace{0.17em}2.0\hspace{0.17em}\times \hspace{0.17em}{10}^8$

30. 59. $c\hspace{0.17em}=\hspace{0.17em}15e^{\hspace{0.17em}-\hspace{0.17em}0.20t}$

31. 61. $P\hspace{0.17em}=\hspace{0.17em}{P}_0{(0.999)}^t$

32. 63.

    

    $x\hspace{0.17em}=\hspace{0.17em}3.353$

33. 65. $\hspace{0.17em}\pm \hspace{0.17em}3.7\text{ m}$