Express the answers to the following calculations in

3. Express the answers to the following calculations in scientific notation: (12 points)
³
4. What is the number of significant figures in each of the following measurements? (8
points)

a. 4867 mi Four
b. 56 mL Two
c. 60,104 ton Five
d. 2900 g Two, three, or four
e. 40.2 g/cm
3
Three
f. 0.0000003 cm One
g. 0.7 min One
h. 4.6 × 10 19 atoms Two
(Reference: Chang 1.33)
5. Express the results in the proper number of significant figures. (12 points)