Strontium 90 is a radioactive material that decays according to the function A(t)=A_{0} e^{-0.0244 t},A(t)=A
0 e −0.0244t, where A_{0}A 0 is the initial amount present and A is the amount present at time t (in years). Assume that a scientist has a sample of 800 grams of strontium 90. What is the decay rate of strontium 90?

answer: .75 km

step-by-step explanation:

mk./km: lm

step-by-step explanation:

,mlmlm

; mk

lk

the domain of a function is the set of input values, x , for which a function is defined. the domain is shown in the left oval in the picture below. the function provides an output value, f(x) , for each member of the domain.

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