A sample of a radioactive element that c...

A sample of a radioactive element that contains `1.0 xx 10^(3)` nuclie decays to `6.2 xx 10^(1)` nuclei in 10minutes . What is its sepecific decay constant?

62 `"min"^(-1)`

`1.2 "min"^(-1)`

`0.28 "min"^(-1)`

`0.062 "min"^(-1)`

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