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Significant figures should be rounded when reporting a measurement or calculation to reflect the precision of the original data. This is done to ensure that the final result is consistent with the accuracy of the measurements used.

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3mo ago

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How many significant figures should be retained when performing addition and subtraction operations involving measurements with different numbers of significant figures?

When performing addition and subtraction operations with measurements of different significant figures, the result should be rounded to the same number of decimal places as the measurement with the fewest significant figures.


How to add significant figures in mathematical calculations?

When adding numbers with significant figures, the result should be rounded to the least number of decimal places in the original numbers. Add the numbers as usual, then round the result to the appropriate number of significant figures.


When the measured quantity 45.67 kg is divided by the measured quantity 3.42 L the answer should have how many significant figures?

When divided by a calculator 45.67kg/3.42L equals 13.35 kg/L. Of the two quantities the highest common certainty we have is the 3 significant figures from the volume. Therefore the answer would be 13.4 kg/L rounded to three places.


How to add significant figures accurately in mathematical calculations?

When adding numbers with significant figures, the result should be rounded to the least number of decimal places in the original numbers. Only the digits that are certain should be used in the final answer.


How do you subtract numbers with significant figures?

When subtracting numbers with significant figures, the answer should be rounded to the same number of decimal places as the number with the fewest decimal places. This ensures that the final answer reflects the precision of the original numbers.