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qwelly [4]
3 years ago
13

A culture of bacteria has an initial population of 22000 bacteria and doubles every 5 hours. Using the formula P t = P 0 ⋅ 2 t d

P t ​ =P 0 ​ ⋅2 d t ​ , where P t P t ​ is the population after t hours, P 0 P 0 ​ is the initial population, t is the time in hours and d is the doubling time, what is the population of bacteria in the culture after 17 hours, to the nearest whole number?
Mathematics
1 answer:
Bas_tet [7]3 years ago
7 0

We have been given that a culture of bacteria has an initial population of 22,000 bacteria and doubles every 5 hours. Using the formula P(t) = P_0\cdot 2^{\frac{t}{d}}, where P(t) ​ is the population after t hours, ​P_0 is the initial population, t is the time in hours and d is the doubling time.

We are asked to find the population of bacteria after 17 hours.

First of all, we will substitute our given values in doubling life formula as:

P(t) =22,000\cdot 2^{\frac{t}{5}}

Now to find population of bacteria after 17 hours, we will substitute t=17 in our formula as:

P(117) =22,000\cdot 2^{\frac{17}{5}}

P(117) =22,000\cdot 2^{3.4}

P(117) =22,000\cdot (10.556063286183)

P(17) =232233.392296026

P(17)\approx 232,233

Therefore, the bacteria population will be 232,233 after 17 hours.

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