Significant Figures reading 2

What do significant figures indicate in scientific calculations?

• Precision of a measurement

• The unit of measurement

• The type of measurement

• The instrument used

How many significant figures are in the number 0.00456?

• Three

• Four

• Five

• Two

What is a common mistake when handling significant figures?

• Miscounting the number of significant digits

• Using the wrong units

• Incorrectly labeling graphs

• Forgetting to record data

How many significant figures should the result have when multiplying 2.5 by 3.42?

• Two

• Three

• Four

• One

Which of the following numbers has six significant figures?

• 123.450

• 0.00456

• 2.5

• 3.42