Exercise Answers: Module 5

Accuracy and Significant Figures

  1. exact value
  2. approximation
  3. exact value
  4. approximation
  5. exact value
  6. approximation
  7. three significant figures
  8. four significant figures
  9. five significant figures
  10. two significant figures
  11. three significant figures
  12. four significant figures
  13. one significant figure
  14. two significant figures
  15. three significant figures
  16. four significant figures
  17. 22,000
  18. 21,800
  19. 21,840
  20. 4.3
  21. 4.28
  22. 4.278
  23. 14,000
  24. 14,\overline{0}00
  25. 14,0\overline{0}0
  26. 2.6
  27. 2.60
  28. 2.600
  29. 29,000\text{ ft}
  30. 29,\overline{0}00\text{ ft}
  31. 29,030\text{ ft}
  32. 29,032\text{ ft}
  33. 29,031.7\text{ ft}
  34. 107
  35. 640
  36. 14.4
  37. 12
  38. $ 12.90

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