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Part 1 of 9 Points: 0 of 1 A sample of 12 grams of radioactive material is placed in a vault. Let P(t) be

Part 1 of 9 Points: 0 of 1 A sample of 12 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'(t)= -0.027P(t). Answer parts (a) through (g). (a) Find the formula for P(t). P(t) = (Type an expression using t as the variable.).

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