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A sample of a radioactive substance is left alone for 100 days. After these 100 days, it is observed that only 80% of the original sample is left. What is the half-life of the substance?

 Apr 17, 2023
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0.80==1 * (1/2)^(100/h), solve for h

 

h==310.628 - days - half-life of this substance.

 Apr 17, 2023

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