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6 Written questions
5 Multiple choice questions
 a numerical system in which numbers are expressed in the form A × 10n, where A is a number with a single nonzero digit to the left of the decimal place and n is a whole number
 the quantity of heat energy, in calories, necessary to raise the temperature of 1 gram of a substance by 1 degree Celsius
 a measure of the force exerted on an object by gravitational forces
 the digits in a measurement that are known with certainty plus one digit that is estimated
 the process of deleting unwanted (nonsignificant) digits from calculated numbers
5 True/False questions

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

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

mass → a measure of quantity of matter in an object

gram (g) → the base unit of length in the metric system

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