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the number of hours, t, that bacteria spread 10-fold can be modeled by the equation b(t) = b0(10)4t. there are 100 bacteria present initially and a biologist wishes to find out how many hours will elapse until there are 5,600 bacteria present. what is the exact value for the number of hours elapsed, t, in the equation 5,600 = 100(10)4t?

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −