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Guided Practice

Guided Practice. Sig Fig/Precision/Accuracy- 3. Question 1 (Sig Fig). 205=. Question 1 (Sig Fig). 205= 3 sig figs. Question 2. 0.00272=. Question 2. 0.00272= 3 sig figs. Question 3. 2860=. Question 3. 2860= 3 sig figs. Question 3. 2860= 3 sig figs Though 2860. = 4 sig figs.

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Guided Practice

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  1. Guided Practice Sig Fig/Precision/Accuracy- 3

  2. Question 1 (Sig Fig) 205=

  3. Question 1 (Sig Fig) 205= 3 sig figs

  4. Question 2 0.00272=

  5. Question 2 0.00272= 3 sig figs

  6. Question 3 2860=

  7. Question 3 2860= 3 sig figs

  8. Question 3 2860= 3 sig figs Though 2860. = 4 sig figs

  9. Question 4 0.004050=

  10. Question 4 0.004050= 4 sig figs

  11. Question 4 0.004050= 4 sig figs though 0.00405 = 3 sig figs

  12. Question 5 0058 =

  13. Question 5 0058 = 2

  14. Querstiuon 6 Do you count the leading (beginning zero’s)?

  15. Question 6 Do you count the leading (beginning zero’s)? NO---never….whether there is a decimal or not

  16. Question 7 Do you count the zero’s at the end?

  17. Question 7 Do you count the zero’s at the end? ---ONLY when there is a decimal in the problem

  18. Question 8 Do you count the zeros in the middle (that are sandwiched between 2 numbers)?

  19. Question 8 Do you count the zeros in the middle (that are sandwiched between 2 numbers)? Always – best part of the sandwich (YUM)

  20. Question 9 326 =

  21. Question 9 326 = 3.26 * 102

  22. Question 10 0.00087=

  23. Question 10 0.00087= 8.7 * 10-4

  24. Question 11 12.4=

  25. Question 11 12.4= 1.24 * 101

  26. Question 12 376590=

  27. Question 12 376590= 3.7659 * 105

  28. Question 13 0.261=

  29. Question 13 0.261= 2.61 * 10-1

  30. Question 14 When you don’t see a decimal point, it is understood to be at the___________?

  31. Question 14 When you don’t see a decimal point, it is understood to be at the END?

  32. Question 15 You count how many hops it takes to get from the old decimal place to the _________ decimal place.

  33. Question 15 You count how many hops it takes to get from the old decimal place to the NEW decimal place.

  34. Question 16 Convert 56.4 meters to centimeters

  35. Question 16 Convert 56.4 meters to centimeters

  36. Question 16 Convert 56.4 meters to centimeters

  37. Question 16 Convert 56.4 meters to centimeters

  38. Question 16 Convert 56.4 meters to centimeters

  39. Question 16 Convert 56.4 meters to centimeters

  40. Question 16 Convert 56.4 meters to centimeters

  41. Precision/Accuracy

  42. Question 1 • (2,1,2.3,2.0) and the mass was actually 1 • Precise = • Accurate =

  43. Question 1 • (2,1,2.3,2.0) and the mass was actually 1 • Precise = Yes • Accurate =

  44. Question 1 • (2,1,2.3,2.0) and the mass was actually 1 • Precise = Yes • Accurate = NO

  45. Question 2 When you triple the concentration of 0.0090

  46. Question 3 What is the mean of (28, 13, 21, 45, 62)?

  47. Question 3 What is the mean of (28, 13, 21, 45, 62)? Mean = Average 28 + 13 + 21 + 45 + 62 = 169

  48. Question 3 What is the mean of (28, 13, 21, 45, 62)? Mean = Average 28 + 13 + 21 + 45 + 62 = 169 169 / 5 = 33.8

  49. Question 4 What is the mode of (11, 12, 9, 11, 8, 9, 16)?

  50. Question 4 What is the mode of (11, 12, 9, 11, 8, 9, 16)? 11 and 9 (2 modes are shown)

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