2. Evaluate each of the following expressions. State the answer to the proper number of significant figures. a) 73.74 kg - 27.23 kg = b) 500 feet-35 feet = c) 64.0 g = d) 0.050 km x 15.38 km x 780.2 km = 16.0 mL

2. Evaluate each of the following expressions. State the answer to the proper number of significant figures. a) 73.74 kg - 27.23 kg = b) 500 feet-35 feet = c) 64.0 g = d) 0.050 km x 15.38 km x 780.2 km = 16.0 mL

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter3: Measurement And Chemical Calculations

Section: Chapter Questions

Problem 64E: Exactly 1 liter of a solution contains 31.4 grams of a certain dissolved substance. What mass in...

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Concept explainers

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.

Question

2. Evaluate each of the following expressions. State the answer to the proper number of significant figures.
a) 73.74 kg - 27.23 kg =
b) 500 feet - 35 feet =
=
d) 0.050 km x 15.38 km x 780.2 km
-
c) 64.0 g =
16.0 mL

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