PRACTICE PROBLEMS
Solve the following multiplication and division problems. Express your
answers in scientific notation.
15. Calculate the following areas. Report the answers in square
centimeters, cm².
a. (4 x 102 cm) x (1 x 10 cm)
b. (2 x 104 cm) x (3 x 10² cm)
c. (3 x 10¹ cm) x (3 x 10-2 cm)
d. (1 x 10³ cm) x (5 x 10-¹ cm)
16. Calculate the following densities. Report the answers in g/cm³.
a. (6 x10^2 g) + (2x10¹ cm³)
b. (8 x 10^4g) + (4 x 10¹ cm³)
c. (9 x 10^5g) + (3 x 10¹ cm³)
d. (4 x10^-3 g) + (2 x 10^-2 cm³)
