Mathematics 0580 · IGCSE · Exponential growth and decay

Exponential growth and decay — practice question

At the beginning of the experiment, there are $40\,000$ bacteria. The bacteria population rises by $15\%$ each hour.
(main)[2]

Calculate how many bacteria there are after 3 hours.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Substitutes $40000\left(1+\frac{15}{100}\right)^3$” …

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI