Use Differentials to Estimate the Amount of Metal in a Closed

Multiple Choice

Use differentials to estimate the amount of metal in a closed cylindrical can that is 10 cm high and 4 cm in diameter if the metal in the wall is 0.05 cm thick and the metal in the top and bottom is 0.1 cm thick.

A) 2.0 $\pi$

B) 2.4 $\pi$
C) 2.8 $\pi$
D) 3.2 $\pi$
E) 3.6 $\pi$
F) 4.0 $\pi$

G) 4.4 $\pi$

H) 4.8 $\pi$