QuestionA sample of 9 grams of radioactive material is placed in a vault. Let $P(t)$ be the amount remaining after $t$ years, and let $P(t)$ satisfy the differential equation $P^{\prime}(t)=-0.032 P(t)$. Answer parts $(a)$ through $(g)$. (c) What is the decay constant? 0.032 (d) How much of the material will remain after 10 years?
(Type an integer or decimal rounded to one decimal place as needed.)