The bacteria in our hands grow at a rate of 20% every hour.What will be their count if their initial count is 5 lakh... Plz do show all steps.

Initial Count = 5 Lakh

Time = 3 Hours

Rate = 20% per hour

A = (1 + R/100)^3

A = 5 lakh (1 + 20/100)^3

A = 4000 * 216

A = 864000

Hope this helps u out.....

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  • 3

Initial Count = 5 Lakh

Time = 3 Hours

Rate = 20% per hour

A = (1 + R/100)^3

A = 5 lakh (1 + 20/100)^3

A = 4000 * 216

A = 864000

Hope this helps u out.....

Thumbs up if u agree....

  • 2

Present no. of bacterias=5,00,000

No. of bacterias after 3 hrs = 500000(1 + 20/100)3

=500000(1 + 1/5)3

=500000 * (6/5)3

=500000 * 216 / 125

=864000

Hence no. of bacterias after 3 hrs will be 8,64,000

  • 1
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