Hi, I need some help setting up this problem properly
After 23 days a 10-milligram sample of radioactive material decays to 5 milligrams. After how many days will there be 1 milligram of the material?
So we know that
We need to solve this for .
We wish to find out when m(t) = 1 mg.
Solve this like the preceding problem. I get days.
So 76.4 days or so.