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6 Written questions
5 Multiple choice questions
 the process of deleting unwanted (nonsignificant) digits from calculated numbers
 a measure of the force exerted on an object by gravitational forces
 the base unit of mass in the metric system
 a number whose value has no uncertainty associated with it—that is, it is known exactly
 a general problemsolving method in which the units associated with numbers are used as a guide in setting up calculations
5 True/False questions

density → the ratio of the mass of an object to the volume occupied by that object

meter (m) → the base unit of length in the metric system

measurement → the base unit of length in the metric system

mass → a measure of quantity of matter in an object

inexact number → a number whose value has no uncertainty associated with it—that is, it is known exactly