Question

A particular radioactive isotope decays from 190 milligrams (mg) to 152 mg in 15 days. Find...

A particular radioactive isotope decays from 190 milligrams (mg) to 152 mg in 15 days. Find the half life of the isotope.
Hint: Find the rate first. The half life of the isotope is the half value of 190 mg then solve for x.
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Answer #1

VtM 190 l jni tial amount Alt)- amout a tima. The solation o Substitulin t valu of In above ezavation Kb Sk 15290 e 152- e 1ge half Life of a radioav substance vé Substamco LuC In (2) O 1264 0.69314 0 1264

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