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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?
(i) `(0.02856 xx 298.15 xx 0.112)/0.5785`, (ii) `5 xx 5.364`, (iii) `0.0125 + 0.7864 + 0.0215`

Text Solution

Verified by Experts

(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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Knowledge Check

  • How many significant figures are present in 0.010100xx10^3 ?

    A
    7
    B
    5
    C
    3
    D
    10