Mathematics 0580 · IGCSE · Exponential growth and decay

Exponential growth and decay — practice question

Africa has $30000$ lions. The lion population in Africa falls exponentially by $2\%$ per year.

(main)[2]

Find how many lions there are in Africa after $6$ years. Give your answer to the nearest hundred.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$30000 \times \left(1-\frac{2}{100}\right)^{6}$” …