Question: . . . . . ......................... Radioactive Decay. Suppose the volume of a radioactive substance (in kg) follows the exponential decay model Q (t )

. . . . . ......................... Radioactive Decay. Suppose the volume of a radioactive substance (in kg) follows the exponential decay model Q (t ) = Qoe-kt If after 11 years, the volume is 50% of its original size, what is the decay constant k? O 0.0630 O 0.0631 O 22 None of the other answers O 5.5 O -7.6246 O 11 O -7.6245

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