If there are initially 4500 bacteria in a​ culture, and the number of bacteria doubles each​ hour, the number of bacteria after t hours can be found by the formula N=4500(2)t. When will the number of bacteria in the culture reach 20,000​?

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A: Please refer the attached image for complete solution.

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A: I am answering first question.

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A:

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.