Honors Chemistry Significant Figures

Metrics (Sig. Figs)
Summer Assignment
Honors Chemistry
1. State the number of significant figures in each
measurement.
a. 734 grams
b. 82.400 meters
c. 92,000°C
d. 0.003 second
e. 607 liters
f. 1  10-4 hertz
2. Round the number in the first column to the number of significant figures stated in each column.
Number
Four significant
figures
Three significant
figures
Two significant
figures
One significant
figure
84.631
0.94500
7.95310
2,058,268
3. Perform the following operations. Round the answers to the appropriate number of significant figures.
Label.
a. 8.2 cm  6.08 cm  15.0 cm
c. 23.4°C – 8.4°C
b. 34.8 meter / 3.048 seconds
d. 65.48 g + 3.0 g + 0.882 g + 26.46 g
4. Write the following numbers to 3 significant figures; round or convert to scientific notation if needed
34,534 m
0.2323 m
3,004 m
0.320 m
4,000 m
0.0033 m
400.1 m
0.0001 m
300.0 m
15.04 m
30.00 m
0.000004 m