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The length of a rod is (16.4pm0.1) em an...

The length of a rod is `(16.4pm0.1)` em and it is joined to another rod of length `(1.2pm10.1)` cm. alculate the total length of the rod.

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Total length=`(164pm0.1)+(1.2pm0.1)=(17.6pm0.2)`
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