Rounding and Sig Figs in Calculations

Rounding and Sig Figs in Calculations

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Multiple Choice

Where do we read the level of liquid?

• The highest point the liquid touches

• The bottom of the meniscus

• Half way between, we make an educated guess and round it

• The top of the meniscus

Multiple Choice

Which of these could be a correct measurement for the volume shown?  Click on this image for a better look.

• 40 mL

• 43 mL

• 43.0 mL

• 43.00 mL

Multiple Choice

What is the Volume in the graduated cylinder?

• 63.5 mL

• 63 mL

• 63.55 mL

• 6 mL

Multiple Choice

How would you write 564,000 in scientific notation with 4 sig figs?

• 5.640 x 10^-5

• 5.640 x 10⁴

• 5.640 x 10⁵

• 5.64000 x 10⁵

Multiple Choice

Convert the following to scientific notation. 
0.000480 
(keep the same number of sig figs)

• 4.80 x 10⁴

• 4.80 x 10^-4

• 4.8 x 10^-3

• 4.8 x 10^-4

Multiple Choice

Determine the number of Significant Figures in 10 L.

• 4

• 3

• 2

• 1

Multiple Choice

Determine the number of Significant Figures in 10.0 g

• 1

• 4

• 3

• 2

Multiple Choice

Determine the number of Significant Figures in 0.0100 m

• 5

• 4

• 3

• 2

Multiple Choice

Determine the number of Significant Figures in 101320 Pa.

• 5

• 4

• 3

• 6

Multiple Choice

Which of the following is 9.0294 rounded to 3 sig figs?

• 9.0

• 9.02

• 9.03

• 9.029

Multiple Choice

Which of the following is 196 rounded to 2 sig figs?

• 20.

• 190

• 2.0 x 10²

• 200

Multiple Choice

When performing the calculation 34.530 g + 12.1 g + 1222.34 g the final answer must have

• Three significant figures

• One decimal place

• Two decimal places

• Three decimal places

Multiple Choice

Which of the following is the answer for the problem with the correct number of significant digits?
24.32 + 1.2 = 25.52

• 25.6

• 25.52

• 25.5

• 25

Multiple Choice

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

• 7.45 m

• 7.447 m

• 7.4 m

• 7.5 m

Multiple Choice

Calculate 5.50 cm + 5.50 cm and give your answer with the appropriate number of significant figures.

• 11 cm

• 11.0 cm

• 11.00 cm

• 11.000 cm

Multiple Choice

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

• 1.0 m²

• 1.1 m²

• 1.0947 m²

• 1.09 m²

Multiple Choice

How many significant figures will be in the answer to the following question:
7.62 x 6.98 x 3.2645

• 1

• 2

• 3

• 4

Multiple Choice

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

• 0.04 g/cm³

• 0.045 g/cm³

• 0.0454 g/cm³

• 4 x 10^-2 g/cm³