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Please answer these questions for me. 10 A. How many years would pass if only 25% of the Potassium-40 radioactive elements are left?

10B. How many half-lives has the sample gone through if only 25% of the Potassium-40 radioactive elements are left?

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10 A. How many years would pass if only 25% of the Potassiu

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Please answer these questions for me. 10 A. How many years would pass if only 25% of the Potassium-40 radioactive elements are left? 10B. How many half-lives has the sample gone through if only 25% of the Potassium-40 radioactive elements are left?

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Please answer these questions for me. 10 A. How many years would pass if only 25% of the Potassium-40 radioactive elements are left?

10B. How many half-lives has the sample gone through if only 25% of the Potassium-40 radioactive elements are left?