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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