Indicate the number of significant figures in each of the following: a. This book contains more than 1000 pages. b. A mile is about 5300 ft. c. A liter is equivalent to 1.059 qt. d. The population of the United States is approaching 3.1x 102million. e. A kilogram is 1000 f. The Boeing 747 cruises at around 600 mi/h.

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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.