1.

the cell of a bacteria is doubles in every 30 mins. A scientist being with single cell .how many will be after 3 hours​

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Answer:

Step-by-step EXPLANATION:

It is given that the number of BACTERIA doubles every HOUR. Therefore, the number of bacteria after every hour will form a G.P. Therefore, the number of bacteria at the end of 2ND hour will be 120.



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