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Anonymous bio_man
wrote...
4 weeks ago
The half-life measures exponential decay. The half-life is defined as the time it takes for half of a given amount of radioactive substance to disappear. What is the half-life of radium  Ra88226
 (in years)? (For radium, the amount of radioactive substance at time 𝑡
 is given by the formula 𝑦(𝑡)=𝑦(0)𝑒𝑘𝑡
 with 𝑘=−1.4⋅10−11sec−1
.)

Round your answer to the nearest integer.

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Anonymous AuthorAnonymous
wrote...
4 weeks ago
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