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6 Written questions
5 Multiple choice questions
 the digits in a measurement that are known with certainty plus one digit that is estimated
 the base unit of mass in the metric system
 the determination of the dimensions, capacity, quantity, or extent of something
 a general problemsolving method in which the units associated with numbers are used as a guide in setting up calculations
 the base unit of length in the metric system
5 True/False questions

liter (L) → the base unit of volume in the metric system

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

rounding off → the process of deleting unwanted (nonsignificant) digits from calculated numbers

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

conversion factor → a ratio that specifies how one unit of measurement is related to another unit of measurement