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

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

Grade:11

1 Answers

Beenu Mathew
533 Points
5 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
JEHOYESJIRA

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