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The error in measurement of radius of a ...

The error in measurement of radius of a sphere is 1%. What is the error in the measurement of volume?

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Percentage error in radius `=1%=(Deltar)/r times100`
Volume of sphere `Vpropr^3impliesDeltaV=3r^2Deltar`
`implies(DeltaV)/V=(3r^2Deltar)/r^3`
Percentage error in volume
`(DeltaV)/V=3((Deltar)/r times100)=3 times1=3%`
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