Math, asked by AliVatsal9116, 10 months ago

Four hours from now, the population of a colony of bacteria will reach 1.28 * 10 ^ 6. If the population of the colony doubles every 4 hours, what was the popluation 12 hours ago?

Answers

Answered by hannjr

0

Answer:

N4 = N0 * 2 number of bacteria after 4 hours

N8 = N4 * 2 = N0 * 2^2 number of bacteria after 8 hours

N12 = 2 * N8 = N0 * 2^3 number of bacteria after 12 hours

N0 = N12 / 2^3 = 1.28 * 10E6 / 8 = 1.6 * 10E5

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