Question
Asked Mar 6, 2020
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This exercise uses the radioactive decay model.

If 250 mg of a radioactive element decays to 190 mg in 24 hours, find the half-life of the element. (Round your answer to the nearest whole number.)

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Expert Answer

Step 1

Given that 250 mg of a radioactive element decays to 190 mg in 24 hours. So, for finding the half-life of the radioactive element, using formula 

Calculus homework question answer, step 1, image 1

Step 2

So, from the given information 

Calculus homework question answer, step 2, image 1

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