1. Matter and Measurements

Significant Figures: Precision in Measurements

1. Matter and Measurements

# Significant Figures: Precision in Measurements - Video Tutorials & Practice Problems

On a tight schedule?

Get a 10 bullets summary of the topic**Significant Figures** are used to discuss the level of precision in any measurement.

## Recording Measurements

1

concept

### Significant Figures Precision Concept

Video duration:

1mPlay a video:

2

example

### Significant Figures Precision Example

Video duration:

1mPlay a video:

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

## Do you want more practice?

More sets### Your GOB Chemistry tutor

Additional resources for Significant Figures: Precision in Measurements

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