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Home/if there were 30 bacteria present

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Srushti
Srushti
Asked: September 10, 2026In: Class 9 Maths

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 the 2nd hour, 4th hour and nth hour?

Starting with 30 bacteria and doubling factor 2, the count after n hours is 30 x 2ⁿ. Thus, after 2 hours there are 120, after 4 hours 480 and after n hours 30 x 2ⁿ.

4th hourbacteria will be present at the end of the 2nd hourclass 9 ganita manjari chapter 8 end of the chapter solutionsclass 9 ganita manjari chapter 8 question answerif there were 30 bacteria presentncert solutions – predicting what comes next: exploring sequences and progressionsnumber of bacteria in a certain culture doubles every hour
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