Read the temperature with the correct number of significant figures.
A)87 °C
B)87.2 °C
C)87.20 °C
D)87.200 °C
E)87.2000 °C

Question

Read the temperature with the correct number of significant figures. 
A)87 °C 
B)87.2 °C 
C)87.20 °C 
D)87.200 °C 
E)87.2000 °C

Quizplus · Accepted Answer

The decimal place (20) indicates that the temperature was measured to the nearest 0.01°C. Therefore, the answer should have two significant figures. Choice C has the correct number of significant figures (three digits) and also includes the trailing zero, which helps indicate the precision of the measurement.

Read the Temperature with the Correct Number of Significant Figures