1. Matter and Measurements
Significant Figures: Precision in Measurements
1. Matter and Measurements
Significant Figures: Precision in Measurements - Video Tutorials & Practice Problems
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Get a 10 bullets summary of the topicSignificant Figures are used to discuss the level of precision in any measurement.
Recording Measurements
1
concept
Significant Figures Precision Concept
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example
Significant Figures Precision Example
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3
Problem
ProblemRead the length of the pencil to the correct number of significant figures.
A
8.0 cm
B
8.000 cm
C
9 cm
D
9.0 cm
E
9.00 cm
4
Problem
ProblemWhat is the correct reading for the liquid in the burette provided below?
A
7 mL
B
7.0 mL
C
7.20 mL
D
7.00 mL
E
6.80 mL
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PRACTICE PROBLEMS AND ACTIVITIES (5)
- Use the following graph for problems1.23 and 1.24: d. How many minutes were needed to reach a temperature of...
- a. What is the specific gravity of the following solution?
- Assume that you are delivering a solution sample from a pipette. Figures (a) and (b) show the volume level bef...
- Measure the length of each of the objects in diagrams (a), (b), and (c) using the metric ruler in the figure. ...
- State the temperature on the Celsius thermometer to the correct number of significant figures: (2.3) A