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The number of carbon atoms present in a ...

The number of carbon atoms present in a signature , if a signature written by carbon pencil, weighing `1.2 xx 10^(-3)` g is:

A

`12.04xx10^(20)`

B

`6.02xx10^(19)`

C

`3.01xx 10^(19)`

D

`6.02xx 10^(20)`

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The correct Answer is:
B
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