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How many significant figures should be p...

How many significant figures should be present in the answer of the following calculations?
(1) `(0.02856xx298.15xx0.112)/(0.5785)`
(2) `5xx5.364`
(3) `0.0125+0.7864+0.0215`

Text Solution

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(A) The least precise term has 3 significant figures. Hence, the answer should have 3 significant figures.
(B) Leaving the exact number (5), the second term has 4 significant figures. Hence, the answer should have 4 significant figures.
(C) In the given addition, the least number of decimal places in the term is 4. Hence, the answer should have 4 significant figures.
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