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What do we mean by "exact"?
When we say that a value is exact, we mean that it is defined by law, standards committees, or mathematics and it is not a measured value. For example, an inch is defined to be exactly 2.54 centimeters.
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When we say that a value is exact, we mean that it is defined by law, standards committees, or mathematics and it is not a measured value. For example, an inch is defined to be exactly 2.54 centimeters.
