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anonymous
 4 years ago
A bacteria culture begins with 4 bacteria which double in size every hour. How many bacteria exist in the culture after 8 hours?
anonymous
 4 years ago
A bacteria culture begins with 4 bacteria which double in size every hour. How many bacteria exist in the culture after 8 hours?

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JamesJ
 4 years ago
Best ResponseYou've already chosen the best response.3How many exist is 1 hour?

JamesJ
 4 years ago
Best ResponseYou've already chosen the best response.3Write n(0) = the number at the beginning. We have n(0) = 4 What's n(1) = # at hour 1?

JamesJ
 4 years ago
Best ResponseYou've already chosen the best response.3n(1) = 2 x 4 = 8 because the number of bacteria doubles every hour. Now, what is n(2) ? I'm asking you this so you can get to a formula for n(8).

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0initial no. of bacterias=4 common ratio(divison)=2 bacterias after 8hrs= ar^n=4x2^8..............rest is calculations..

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0hey if they doubles its size then after 8 hrs we will be left with those 4 large becterias only!!............there is difference between doubling in size and divison

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Never mind found out! XD the answer is 1024 you do (4)(2)^8 the two comes from doubling each hr
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