Significant Figures Practice

Determine the number of significant figures in the following measurement.
0.230 m

• 1
• 2
• 3
• 4

Determine the number of significant figures in the following measurement.
4500 g

• 1
• 2
• 3
• 4

Determine the number of significant figures in the following measurement.
9.03 mL

• 0
• 1
• 2
• 3

Calculate the density of the stone using the data in the table.  Make sure you answer has the correct number of significant figures.

• 2.32857 g/mL
• 2.329 g/mL
• 2.33 g/mL
• 2.3 g/mL

A chemist measured the amount of caffeine in a new energy drink called FlipOUT to be 84.20 mg.  The correct amount of caffeine is 87.10 mg.  Calculate the percent error.

• 9.6%
• 3.4%
• 3.3%
• 0.033%

Calculate the sum of 12.34, 1.234, and 0.1234.  Make sure your answer has the proper number of significant figures.

• 13.6974
• 13.697
• 13.70
• 13.7

Calculate 345.009 g - 23.00 g and give your answer with the correct number of significant figures.

• 322.01 g
• 322 g
• 322.009 g
• 322.0

Calculate the product of 123000 m and 3234 m.  Give your answer with the appropriate number of significant figures.

• 3.97 x 10^-7 m²
• 39800000 m²
• 398 m²
• 3.98 x 10⁸ m²

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

An object is measured to be 3.12 g.  The accepted value is 4.50 g.  What is the percentage error for this measurement?

• 43.1%
• 30.7%
• 30.666%
• 25.1%