Hawkinskennedy62
Answered

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A city doubles its size every 5 years. If the population is currently 469,900, what will the
population be in 20 years?

Sagot :

egreenblatt05

the population would be 7,518,400


469,900 • 2^20/5


* 20/5 is part of the exponent

devishri1977

Answer:

7518400

Step-by-step explanation:

Doubling time model:

         [tex]P= P_o 2^{\frac{t}{D}}[/tex]

Here, P is the initial value, D is the time taken to double the quantity, t is the given period of time.

 [tex]P_o = 469,900\\\\\\D = 5 \ years\\t = 20 \ years[/tex]

                    [tex]P = 469,900 * 2^\frac{20}{5}\\\\P = 469,900 * 2^4[/tex]

                         = 469,900 * 2 * 2 * 2 * 2

                         = 7518400

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