Question: Math 30-1 Functions Show all work 3. Krypton-85 is an inert radioactive noble gas with a half-life of approximatelyf 10.76 years. a. Write an exponential

Math 30-1

Functions

Show all work

3. Krypton-85 is an inert radioactive noble gas with a half-life of approximatelyf 10.76 years. a. Write an exponential function to model this situation and define each variable. (1 mark] b. Determine what fraction of a sample of Krypton-85 will remain after 86.08 years. State the answer as an exact fraction value. [1 mark} c. Determine how long will it take for a sample of Krypton-85 to decay to 1f64 of its original mass. Round your answer to the nearest hundredth of a vear.[1 mark]

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