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Which of the following are examples of exponential decay?

  • The population of a Florida is increasing by 43% each year.
  • The pesticide DDT has a half-life of 15 years.
  • March Madness has 64 teams in the bracket. Each round, half the teams are eliminated.
  • After an antibiotic is added to a culture of bacteria, the number of bacteria is reduced by half every three hours.
  • A tree frog population doubles every three weeks.

Verified Answer :

The correct answer for the question that is being presented above is this one: "- The pesticide DDT has a half-life of 15 years; - March Madness has 64 teams in the bracket. Each round, half the teams are eliminated; - After an antibiotic is added to a culture of bacteria, the number of bacteria is reduced by half every three hours."

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