Q. 254.2( 22 Votes )

The count of bact

Answer :

Count of bacteria, P = 500000


Time, n = 2 hours


Increasing rate, R = 2% per hour


Now,


Amount (A) = P (1 + R/100)n [Where, A = Amount with compound interest


P = Present value


R = Annual interest rate


n = Time]


Count of bacteria = P (1 + R/100)n


= 500000 (1 + 2/100)2


= 500000 (102/100)2


= 500000 × 102/100 × 102/100


= 50 × 102 × 102


= 520200


Count of bacteria at the end of 2 hours is 520200.


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