1. Sig Fig clicker worksheet practice

2. John counted out ten dollar bills. A.Exact B.Inexact (measured)

3. How many significant figures? 28.5 3 SF

4. Which one has more significant figures? 6.321 cm and 6.3214 cm

5. Enter the correct answer in clicker. 7.623 ml + 85.0 ml + 9.815 ml = Calculator value= 102.438 ml Correct rounded value = 102.4 ml

6. Enter the correct answer in clicker. 16 cm X 14 cm = Calculator value= 224 cm 2 Correct rounded value = 220 cm 2

7. Enter the correct answer in clicker. 15.82 m X 0.040 m = Calculator value= 0.6328 m 2 Correct rounded value = 0.63 m 2

8. There are 12 eggs to a dozen. A.Exact B.Inexact (measured)

9. How many significant figures? 28.500 5 SF

10. Which one has more significant figures? 542,000 kg and 2.1000 kg

11. Enter the correct answer in clicker. 10.96  C – 5.5  C = Calculator value= 5.46  C Correct rounded value = 5.5  C

12. Enter the correct answer in clicker. 16.0 cm X 14.0 cm = Calculator value= 224 cm 2 Correct rounded value = 224 cm 2

13. The baker measured 2 pounds of butter and a quart of flour. A.Exact B.Inexact (measured)

14. How many significant figures? 2,850 3 SF

15. Which one has more significant figures? 1.234 g and 0.98162 g

16. Enter the correct answer in clicker. 10.96 ml – 5.555 ml = Calculator value= 5.405 ml Correct rounded value = 5.41 ml

17. Enter the correct answer in clicker. 16.0 m ÷ 21 s = Calculator value= 0.761904761 m/s Correct rounded value = 0.76 m/s

18. Each box of chocolate contains 16 candies. A.Exact B.Inexact (measured)

19. How many significant figures? 28,500 3 SF

20. Enter the correct answer in clicker. 9.0731 ml + 0.00078 ml = Calculator value= 9.07388 ml Correct rounded value = 9.0739 ml

21. Enter the correct answer in clicker. 8.6 m X 9 m = Calculator value= 77.4 m 2 Correct rounded value = 80 m 2

22. Enter the correct answer in clicker. 16.4 m ÷ 21.00 s = Calculator value= 0.761904761 m/s Correct rounded value = 0.762 m/s

23. The room is 13 feet by 18 feet. A.Exact B.Inexact (measured)

24. How many significant figures? 28,500.0 6 SF

25. Enter the correct answer in clicker. 0.0098 kg+ 15.45 kg + 9.682 kg = Calculator value= 25.1418 kg Correct rounded value = 25.14 kg

26. Enter the correct answer in clicker. 2 g ÷ 3 ml = Calculator value= 0.6666666666 g/ml Correct rounded value = 0.7 g/ml

27. Please let me have 5 meters of that ribbon. A.Exact B.Inexact (measured)

28. How many significant figures? 0.000285 3 SF

29. Enter the correct answer in clicker. 230.72 g + 0.00861 g + 9.7250 g = Calculator value= 240.45361 g Correct rounded value = 240.45 g

30. Enter the correct answer in clicker. 8.6 m X 9.0 m = Calculator value= 77.4 m 2 Correct rounded value = 77 m 2

31. The temperature is 23.4  C. A.Exact B.Inexact (measured)

32. How many significant figures? 0.285 3 SF

33. Which one has more significant figures? 1282 g and 1,280 g

34. Enter the correct answer in clicker. 860 m X 90 m = Calculator value= 77,400 m 2 Correct rounded value = 80,000 m 2

35. Enter the correct answer in clicker. 2.00 g ÷ 3.0 ml = Calculator value= 0.6666666666 g/ml Correct rounded value = 0.67 g/ml

37. Determine the number of significant digits in the following numbers: 305 3.05 0.025 20.05 8.0500 13,000 3 SF 2 SF 4 SF 5 SF 2 SF

38. Round off the following numbers to three significant digits: 1.8392 0.053592 12.59 2.3914 0.92640 87.250

39. Round of the following numbers to four significant digits. 1.8953 0.30756 5.3399 2.23650 14.752 43.2350

40. Perform the indicated operation and express your answer to the proper number of significant digits: 35.27 + 3.198 + 102.2 239.90 – 25.983 0.85 x 327 300/25.5

41. Perform the indicated operation and express your answer to the proper number of significant digits: 3.58 + 10.465 + 0.6 12.835 - 3.60 0.03 x 0.589 9.57/5.183