(or else it would be closer to the 143-pound mark). (or else it would be closer to the 141-pound mark), the uncertainty in Dick's height swamps the uncertainty Let's say you get about 7.6 cm. M= 30.1 ± .4 g . Note: whatever the case (subtraction or addition), the individual uncertainties are always ADDED never subtracted! What if there are several measurements of the same quantity? Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. wikiHow is where trusted research and expert knowledge come together. Your support helps wikiHow to create more in-depth illustrated articles and videos and to share our trusted brand of instructional content with millions of people all over the world. Dick and Jane are acrobats. Measure the slope of this line. The hollow triangles represent points used to calculate slopes. This means that the thickness of one CD case is 2.20 cm ± .02 cm. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. It appears that current is measured to +/- 2.5 milliamps, The mass of the body is 50 kg and uncertainty is ±1 kg. Calculate the absolute uncertainties of L1 and L2 (using your actual data). The reason that you should include these uncertainty sources each time is because they typically influence every measurement that you will ever make. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/2f\/Calculate-Uncertainty-Step-1-Version-2.jpg\/v4-460px-Calculate-Uncertainty-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/2\/2f\/Calculate-Uncertainty-Step-1-Version-2.jpg\/aid1535205-v4-728px-Calculate-Uncertainty-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

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\n<\/p><\/div>"}, Calculate the Uncertainty of Multiple Measurements, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/f7\/Calculate-Uncertainty-Step-6-Version-2.jpg\/v4-460px-Calculate-Uncertainty-Step-6-Version-2.jpg","bigUrl":"\/images\/thumb\/f\/f7\/Calculate-Uncertainty-Step-6-Version-2.jpg\/aid1535205-v4-728px-Calculate-Uncertainty-Step-6-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

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\n<\/p><\/div>"}, Perform Arithmetic Operations with Uncertain Measurements, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/80\/Calculate-Uncertainty-Step-11-Version-2.jpg\/v4-460px-Calculate-Uncertainty-Step-11-Version-2.jpg","bigUrl":"\/images\/thumb\/8\/80\/Calculate-Uncertainty-Step-11-Version-2.jpg\/aid1535205-v4-728px-Calculate-Uncertainty-Step-11-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

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