Interpretation:
The way to report the measured value in terms of known and estimated digits needs to be explained.
Concept introduction:
Measured value is a value of a measurement provided by a measuring instrument or device. In a measurement, the last digit is an estimate that helps other scientists to determine the precision of a measurement. All measurements have an estimated value.
Explanation of Solution
In a measurement, the last digit is an estimate that helps other scientists to determine the precision of a measurement. All measurements have an estimated value. The measured value contains all the certain measurements and numbers in the given value. The last digit of a number must be estimated and the estimated digit falls in between the two known digits whose value is not certain.
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Chemistry: Matter and Change
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