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The number of bacteria in a certain culture doubles every hour. If there were 30 bacteria present in the culture originally, how many bacteria will be present at the end of $2^{\text {nd }}$ hour, $4^{\text {th }}$ hour and $n^{\text {th }}$ hour ?
Precalculus
Chapter 9
Sequences and Series
Section 3
Series
Introduction to Sequences and Series
Johns Hopkins University
Piedmont College
Harvey Mudd College
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Hello. We have our number 30. Uh Inmate it is given that number of bacteria doubles every hour we are. So then equal to zero number of bacteria was 30. So this is 30 first and went equal to one hour. It will be 13 22 That is 60 when it will be too are. So this will be one of the 20. If this will be three are it will be 240 and if it will be for her it will be 480. Uh huh. So yeah that has got an idea that are equal to two. We can say a 30 Rs two. So at the end of four hours it is 480. At the end of two hour it is 120. So we can just write A N. Equal to a are raised with power to I'm sorry address to the power And okay so an equal to 30 artists too. That is to the part and they should be the answer. Thank you.
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