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Uncertainty in Measurement

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Accuracy and Precision

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Accuracy and Precision-Medium

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Related questions

In the context of accuracy to measurement and significant figures in expressing results of experiment, which of the following is/are correct?
(1) Out of the measurements 50.14 cm and 0.00025 ampere, the first one has greater accuracy.
(2) If one travels 478 km by rail and 397 m. by road, the total distance traveled is 478 km.

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How many significant digits does the measurement possess?

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How many significant figures in 0.00025 ?

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Which choice shows the answer to the following mathematical operation with the correct number of significant figures?
______

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Round 984 liters to 2 significant digits.

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The number of significant figures in is:

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The number of significant figures in 0.002930 is _______-.

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In lab one student obtained a weight measurement of for a given substance, but the actual or known weight is , then his measurement is :

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Express in scientific notation with three significant digits.

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Which of the following options is not correct?

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