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What is the half-life of ""(6)C^(14), if...

What is the half-life of `""_(6)C^(14),` if its disintegration constant is `2.31xx10^(-4) yr^(-1)` ?

A

`0.3xx10^(4)yr`

B

`0.3xx10^(3)yr`

C

`0.3xx10^(8)` yr

D

`0.3xx10^(2)` yr

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A
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