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Grade 11Modern Physics

the radius of a thin wire is 0.16mm . the area of cross section taking significant figure into consideration in square mimmimetres is?

Profile image of Vandana Soan
10 Years agoGrade 11
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1 Answer

Profile image of Beenu Mathew
10 Years ago
Hi,
Area= pie * r2
now remember your final answer must contain two significant digits
so 
you will get 
0.08mm2
HOPE THIS HELPS!!
THANK YOU
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