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The​ half-life of a certain substance is 17 years. How long will it take for a sample of this substance to decay to 73​% of its original​ amount?
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The​ half-life of a certain substance is 17 years. How long will it take for a sample of this substance to decay to 73​% of its original​ amount?

User Dykw
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It will take 34 years for a sample of this substance to decay to 73% of its original amount
User Gontovnik
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