Significant Figures Worksheet

What is the number of significant figures in the number 501?

• 1

• 2

• 3

• 4

What is the number of significant figures in the number 5,000?

• A) 1

• B) 2

• C) 3

• D) 4

What is the number of significant figures in the number 0.1020?

• 2

• 3

• 4

• 5

What is the reading on the first measuring instrument shown in the diagram?

• 57

• 56.0

• 55.0

• 61.0

• 56

Fill in the blank: The balance shows a mass of ____.

• 620.29 g

• 622.9 g

• 622.8 g

• 622.89 g

• 622.890

Fill in the blank: The length shown on the ruler is ____.

• 7.80 cm

• 7.70 cm

• 7.7 cm

• 7 cm

What mass is shown in the diagram?

• 90.9 g

• 90.90 g

• 90.09 g

• 9.90 g

• 99.90

Round the number 15.6 to 1 significant figure.

• 10

• 15

• 16

• 20

Round the number 817 to 1 significant figure.

• 800

• 810

• 820

• 900

Round the number 15.9 to 2 significant figures.

• 15

• 16

• 15.9

• 15.90