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Q.

The value of (14.5)2 up to correct number of significant figures is :

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a

210.25

b

210.2

c

210.3

d

210

answer is D.

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Detailed Solution

(14.5)2=14.5×14.5=210.25. In a multiplication process, the correct answer is written up to the least number of significant figures present in question. In the present case, there are three significant figures (in 14.5).So, correct answer is 210.
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