1. How many significant digits? 5700 A.1 B.2 C.3 D.4

2. Multiply 843.5 * 21103 A.17800380.5 B.1.780 x 10 8 C.1.780 x 10 7 D.17800000

3. Which of the following instruments would give you the most accurate measurement?

4. Round to 3 significant digits. 861900000000 A.862 B.86200000000 C.8.62 x 10 -11 D.8.62 x 10 11

5. What is the correct way to convert 5.00 gallons to mL? A. 5.00 gallons4 qt1000 mL = 1 gallon1 Liter B. 5.00 gallons4 qt1 Liter 1000 mL = 1 gallon1.06 qt 1 Liter C. 5.00 gallons4 qt 1.06 Liters 1000 mL = 1 gallon1 qt1 Liter

6. How many significant digits? 0.013020 A.4 B.5 C.6 D.7

7. Multiply 85 * 1.33 A.113.05 B.113 C.110 D.110.

8. How many significant digits? 3703 A.1 B.2 C.3 D.4

9. A student measured the length of an object four times and got the following measurements: 3.52 cm, 3.48 cm, 3.52 cm, and 3.52 cm. The teacher told the students that the accepted value for the length was 3.70 cm. How was the student’s accuracy and precision? A. Very good accuracy and very good precision B. Not very good accuracy and very poor precision C. Not very good accuracy and very good precision D. Very good accuracy and very poor precision

10. Round to 3 significant digits. 34592 A.345 B.34500 C.34600 D.3.45 x 10 4

11. In a multiplication or division problem, the first step is counting A.Significant digits B.Decimal places C.Zeros D.Non-zero digits

12. How many significant digits? 0.0035 A.2 B.3 C.4 D.5

13. Which of the following will allow measurement of a liquid’s volume with the greatest accuracy and precision? A. 50 mL graduated cylinder with 1 mL increments B. 100 mL graduated cylinder with 0.5 mL increments C. 100 mL graduated cylinder in 10 mL increments D. 200 mL graduated cylinder in 5 mL increments

14. Using a ruler that has divisions which mark every mm, which of the following would be an appropriately recorded length? A. 45.02 mm B. 45 mm C. 45.020 mm D. 45.0 mm

15. Round to 3 significant digits. 0.0000485421 A.485 B.0.0000485 C.4.85 x 10 5 D.4.85 x 10 -10

16. In an addition or subtraction problem, what is the first step in determining how the answer should be reported? A. count the number of significant digits in each measurement B. count the number of decimal places in each measurement C. count the number of zeroes in each measurement D. count the number of non-zeroes in each measurement

17. How many significant digits? 2.0050 A.2 B.3 C.4 D.5

18. Which of the following numbers have three significant digits? 1) 1,050 2) 1,150 3) 0.005 4) 1,050,100 A. 1 and 2 B. 1, 2, and 4 C. 2 and 4 D. 1, 2, 3, and 4

19. Multiply 6 * 1234 A.7 B.7000 C.740 D.7404

20. The answers to which of the following will have three significant digits? 1.) (6.022) x (2.61) 2. 6.314 + 6.94 + 2.6501 3. (9.42 + 1.62) / 4.1 4. 485 / 9.231 A. 1 and 2 B. 3 and 4 C.1, 2, and 4 D. 1 and 4