Physics

Round the following number to $$2$$ significant digits.
$$28.5$$.


SOLUTION
Rounding off a number to the nearest significant digit can be obtained by considering the third digit.
 If it is greater than or equal to $$5$$, then increase the second digit by $$1$$.

So, the value is $$29$$.
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Subjective Medium Published on 18th 08, 2020
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