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

2. Question 1 (Sig Fig) 205=

3. 205= 3 sig figs

4. Question 2 0.00272=

5. 0.00272= 3 sig figs

6. Question 3 2860=

7. 2860= 3 sig figs

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

9. Question 4 0.004050=

10. 0.004050= 4 sig figs

11. Question 4 0.004050= 4 sig figs though 0.00405 = 3 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 * 10 2

22. Question 10 0.00087=

23. 0.00087= 8.7 * 10 -4

24. Question 11 12.4=

25. 12.4= 1.24 * 10 1

26. Question 12 376590=

27. 376590= 3.7659 * 10 5

28. Question 13 0.261=

29. 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 (2,1,2.3,2.0) and the mass was actually 1 Precise = Precise = Accurate = Accurate =

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

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

51. Question 5 What is the median of (18, 21, 15, 19, 61)?

52. Question 5 What is the median of (18, 21, 15, 19, 61)? Put it in order first (15, 18, 19, 21, 61) Median is 19

53. Question 6 Label the independent and dependent variable….

54. Question 6 Label the independent and dependent variable….

55. Question 6 Label the independent and dependent variable….