SOLUTION: A radioactive substance has a half-life of T hours. If after 4.6 hours, 12.6 kg. remain form an initial amount of 20 kg. What is the half-life to the nearest tenth of an hour?
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Question 324778: A radioactive substance has a half-life of T hours. If after 4.6 hours, 12.6 kg. remain form an initial amount of 20 kg. What is the half-life to the nearest tenth of an hour?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
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For half life,
hrs.
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.
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The half life is 6.9 hrs.
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