about population

Question

1. Australia population in 2000 19,169,000 0.6%
2. china 1,261,832,000 0.9%
3. Mexico 100,350,000 1.8%
4. Zaire 51,965,000 3.1%
5. need to know estimated population and annual growth rates for 4 countries in the year 2000. find the expected population of each country in 2025, assuming their annual growth rates remain steady. I tried and I used ekt and I guess I was wrong. I had a stroke and I have problems with some kinds of math.

Answer 1

For Australia, population in 2025 = 19,169,000(1 + 0.006)²⁵ = 222,612,207

Do the other countries in a similar manner.