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The length of a rod is 22.4 m out of it ...

The length of a rod is 22.4 m out of it 2.543m is cut out. The remaining length of the rod according to the idea of significant figures is

A

`19.8 m`

B

`19.9 m`

C

`20.0 m`

D

`19.86 m`

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The correct Answer is:
D
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