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Q.

The radius of a circle is 2.12 m. Its area according to the rule of significant figures is

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a

14.1124m2

b

14.112m2

c

4.11 m2

d

14.1 m2

answer is D.

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Detailed Solution

no of significant figures=3
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The radius of a circle is 2.12 m. Its area according to the rule of significant figures is