how close a measurement is to an accepted reference or theoretical value

a ratio constructed from the relationship between two units and equal to 1

combinations of fundamental units

the power to which a number is raised

a group of basic units in the SI system

a measure of the amount of matter in a given substance

a number that indicates quantity and is followed by a unit

the agreement between two or more measurements

the number of units determined by the act of measuring

a convenient way of expressing very large and very small numbers as a mantissa between 1 and 10 which is multiplied by 10 raised to some power

a problem-solving tool in which the units of numbers are changed by being multiplied by a conversion factor equal to 1

one increment of the system being used to measure

a unit of measure of the gravitational force exerted on a substance

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