16Hit1600
Advanced MathMediumCompound growth over three periods

Advanced Math practice question

A town's population is 2,000 and grows by 10% each year. What will the population be after 3 years?

Answer: 2662

2000 × 1.1³ = 2000 × 1.331 = 2,662.

Common wrong answers

If you answered 2200
2,200 is after ONE year.
If you answered 2420
2,420 is after TWO years.
If you answered 2600
2,600 adds 200 three times (linear growth); each 10% is of the current population.

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