significant figures

Calculate 923 g ÷ 20312 cm³ and give your answer with the correct number of significant figures.

• 0.04 g/cm³
• 0.045 g/cm³
• 0.0454 g/cm³
• 0.05 g/cm³

Calculate 1.23 m x 0.89 m and give your answer with the correct number of significant figures.

• 1.0 m²
• 1.1 m²
• 1.0947 m²
• 1.095 m²

Calculate 7.987 m - 0.54 m and give your answer with the correct number of significant figures.

• 7.45 m
• 7.447 m
• 7.4 m
• 7.5 m

Calculate 12.47 m ÷ 3.2 s and give your answer with the correct number of significant figures.

• 4 m/s
• 3.9 m/s
• 3.90 m/s
• 3.897 m/s

Calculate 0.020 cm x 50 cm x 11.1 cm and give your answer with the correct number of significant figures.

• 10 cm³
• 11.1 cm³
• 11 cm³
• 11. cm³

Which of the following numbers have four significant figures?

• 56.75 g
• 40.01 g
• 0.6000 g
• all of the choices

All of the following have one significant figure except:

• 100 cm
• 0.0001 cm
• 2 cm
• 2.00 cm

How many significant figures does the following number have: 0.002040

• 6
• 4
• 3
• 2

How many significant figures does the following number have: 0.998005

• 9
• 10
• 6
• 5

How many significant figures does the following number have? 0.02

• 1

• 2

• 2

• 4