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Q.
The sum of the numbers $436.32$, $227.2$ and $0.301$ in appropriate significant figures is
Physical World, Units and Measurements
Solution:
The result of an addition or subtraction in the number having different precisions should be reported to the same number of decimal places as present in the number having the least number of decimal places.
The final result should, therefore, be rounded off to one decimal place, i.e 64.