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Add 7.21, 12.141 and 0.0028 and express ...

Add 7.21, 12.141 and 0.0028 and express the result to an appropriate number of significant figures.

Text Solution

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`7.21+12.141+0.0028=19.3538`
Correct sum = 19.35 (Rounded off upto 2 decimal place)
Here 7.21 has minimum number of decimal places (two), so result in rounded off upto second place of decimal point.
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