Finding the initial or final amount in a word problem on exponential growth

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Question description

The number of bacteria in a certain population increases according to a continuous growth model, with a growth rate parameter of 25% per hour. An initial sample is obtained from this population, and after six hours, the sample has grown to 7081 bacteria. Find the number of bacteria in the initial sample. Round your answer to the nearest integer.
Note: This is a continuous exponential growth model.
And though the growth rate parameter is 25% per hour, the actual growth is not 25% each hour.

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(Top Tutor) Daniel C.
School: Cornell University
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