Question 1166002
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<pre>

32 days are 4 half-life periods.


Therefore, the final amount of the medicine after 32 days will be


    {{{(1/2)^4*25}}} = {{{25/16}}} = {{{1}}} {{{9/16}}} mg.    <U>ANSWER</U>
</pre>

Solved.


Notice that the instructions to the solution in the post go across the educational purpose of the problem.


It is why I did not follow these instructions.



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To learn more on the subject, look into the lesson

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/logarithm/Radioactive-decay-problems.lesson>Radioactive decay problems</A> 

in this site.


Also, &nbsp;you have this free of charge online textbook in ALGEBRA-I in this site

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson>ALGEBRA-I - YOUR ONLINE TEXTBOOK</A>.


The referred lesson is the part of this online textbook under the topic "<U>Logarithms</U>".



Save the link to this online textbook together with its description


Free of charge online textbook in ALGEBRA-I
https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson


to your archive and use it when it is needed.