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the precision of the least precise measuement

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Q: What determine the precision of a calculated result based on measurements?

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The precision of a calculated answer is limited by the least precise measurements used in the calculation.

The precision of a calculated answer is limited by the least precise measurements used in the calculation.

Forget about "significant figures"; those are used to determine the precision when you multiply or divide. When adding numbers, the rule is that the result should be rounded according to the precision of the least accurate of the addents. In this case, to one decimal digit.

Precision

No. However repeated measurements can be averaged or otherwise be used to arrive at a more accurate result.

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The precision of a calculated answer is limited by the least precise measurements used in the calculation.

The precision of a calculated result based on measurements is determined by the precision of the measurements themselves. The more precise the individual measurements are, the more precise the calculated result will be. Additionally, the number of significant figures in the measurements and the mathematical operations involved also affect the final precision of the result.

the precision of the least precise measuement