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Physics? This is algebra I, rates.
population density=population/area.
population density=population/area.
Step 1: Divide the population of Singapore (4,987,600 people) by the territory of Singapore (710.2 km^2).
4,987,600 people / 710.2 km^2 = 7,032.58 people/km^2
Therefore, the estimated population density of Singapore is approximately 7,032.58 people per square kilometer.
To estimate the population density of South Africa, you will follow the same process. Divide the population of South Africa (2,171,000 people) by its territory (824,292 km^2):
2,171,000 people / 824,292 km^2 = 2.63 people/km^2
Therefore, the estimated population density of South Africa is approximately 2.63 people per square kilometer.