Q.

The area enclosed by a circle of diameter 1.06 m to correct number of significant figures is

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a

0.88  m2

b

0.088  m2

c

0.882  m2

d

0.530  m2

answer is C.

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Detailed Solution

Here, r=1.062=0.530  mArea enclosed =πr2=3.14(0.53)2=0.882026  m2=0.882  m2(rounded to three significant figures)
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