Label each quantity as an exact or inexact number. a. A recipe requires 10 cloves of garlic and two tablespoons of oil. b. A dog had fi ve puppies whose combined weight was 10 lb. c. The four bicycles in the family have been ridden for a total of 250 mi. d. A child fell and had a 4-cm laceration that required 12 stitches.

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.