A chemical substance has a decay rate of 9.5% per day. The rate of change of an amount N of the chemical is given by the equation NP = - 0.095 N dt where t is the number of days since decay began. Complete parts a) through c). a) Let No represent the anmount of the chemical substance at t = 0. Find the exponential function that models the situation. N(t) = No %3D

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