Question: A radioactive material decays at a rate proportional to the amount present. If there is initially 100 mg of material and after one hour it

A radioactive material decays at a rate proportional to the amount present. If there is initially 100 mg of material and after one hour it has lost 10% of the initial amount, find the following:

a. The model that describes the situation.

b.Solve the DE, that is, find the mass at any time t.

c.Find the mass of the material after three hours.

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