Please slove both, will give upvote. Find the natue of a radioactive element, which decays according...

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Please slove both, will give upvote.

Answer 1

Answer #1

-0.0277 Anso A(t)= Aoe oil A half-life substance bears that amount of substance is decrease by Laff. so, A(+) = A - A, e-0.02

Ansi- It contains 21% of its carbon. A = ( G A 0.000/2t peptidua alil-Hled A 0.27% -% -0.000 12t 2.26 300 is erptadesse 0.27

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Answer 2

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