One of the objectives of this lab is to make reasonable estimates of length, area and volume. A centimeter is roughly the width of the small finger. Which of the following would be the best estimate for the length of a new unsharpened yellow pencil in decimeters? a. 150cm b. 0.15cm c. 15cm d. 0.015cm e. 1.5cm A decimeter is about the width of a large hand. A cubic decimeter, dm3, is the volume of a cube that measures 1dm on a side. Which of the following would be the best estimate of the volume inside of a microwave oven? a. 4000dm3 b. 400dm3 C. 40,000dm3 d. 40dm3 e. 4dm3