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6 Written questions
5 Multiple choice questions
 a ratio that specifies how one unit of measurement is related to another unit of measurement
 a general problemsolving method in which the units associated with numbers are used as a guide in setting up calculations
 a number whose value has no uncertainty associated with it—that is, it is known exactly
 the process of deleting unwanted (nonsignificant) digits from calculated numbers
 a measure of quantity of matter in an object
5 True/False questions

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

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

specific heat → the quantity of heat energy, in calories, necessary to raise the temperature of 1 gram of a substance by 1 degree Celsius

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

significant fgures → 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