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Write the results of the following with regard to significant figures. (i) 876 + 0.4382 (ii) 8.0 - 0.42

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Here, (i) 876 + 0.4382 = 876. 4382 = 876
As there is no decimal points in 876 therefore, result of addition has been rounded off to no decimal point.
(ii) 8.0 - 0.42 = 7.58 = 7.6, rounded off to one place of decimal, as in 8.0.
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