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By rounding off, (a) 20.96 and (b) 0.000...

By rounding off, (a) `20.96` and (b) `0.0003125` to `3` significant figures we get

A

`21.0,312xx10^(-4)`

B

`21.0,3.12xx10^(-4)`

C

`2.10,3.12xx10^(-4)`

D

`210,3.12xx10^(-4)`

Text Solution

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The correct Answer is:
B
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