WorksheetsU01 Measuring and S.F
Total questions: 20
Worksheet time: 35mins
How close a measurement is to the accepted value is called..
Accuracy
Precision
Significant
Estimate
How many sig figs are in the following measurements?
100 L
1
2
3
0
How many sig figs are in the following measurements?
907.0 km
1
2
3
4
How many sig figs are in the following measurements?
2.4050 X 10-3
1
2
3
4
5
Complete the following calculations. Round off your answers as needed.
52.6 g + 309.1 g +77.214 g
438.9
438.914
438.91
4.38914 x 102
Complete the following calculations. Round off your answers as needed.
245.01 km x 2.1 km
5.14521 x 102
510
514
514.521
Calculate 0.020 cm x 50. cm x 11.1 cm and give your answer with the correct number of significant figures.
1.1 cm3
Based on this data, which student was precise, but inaccurate?
Student A
Student B
Student C
Cannot be determined
What is the volume of the water?
28.5 mL
21.5 mL
22.50 mL
22 mL
What is the length of line C on this ruler
2.2 cm
2.25 cm
2.255 cm
2.03 cm
Actual Value: 6.02 m
How would you define her measurements?
How many significant figures does the following number have: 0.0099805
8
7
5
4
6.5
6.60
6.600
7.40
Which of these is the best choice for separating a solid that has been dissolved in water?
Filtration
Evaporation
Magnetism
Decantation
