Question

A common inhabitant of human intestines is the bacterium escherichia coli. a cell of this bacterium in a nutrient-broth medium divides into two cells every 20 minutes. the initial
population of a culture is 53 cells.

(a) find the relative growth rate. (assume t is measured in hours.)
k=

(b) find an expression for the number of cells after t hours.
p(t) =

(c) find the number of cells after 8 hours.

(d) find the rate of growth after 8 hours. (round your answer to three decimal places.)


(e) when will the population reach 20,000 cells? (round your answer to two decimal places.)

Answer 1

Answer:

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