Using subtraction and division operations, [tex] 4.33 \times {10}^{7} [/tex] people live more in France than in Australia and approximately 7.29 people live per square mile of an area in Australia.
Number of people who live in France than in Australia :
Population in France - Population in Australia
[tex]6.48 \times {10}^{7} - 2.15 \times {10}^{7 } = 4.33 \times {10}^{7} [/tex]
The number of people per square mile in Australia can be calculated thus :
Number of people per square mile = Population ÷ Land Area
[tex] \frac{2.15 \times {10}^{7} }{2.95 \times {10}^{6} } = 0.7288 \times {10}^{(7 - 6)} = 0.7288 \times {10}^{1} = 7.288 \: people[/tex]
Therefore, the Number of people who live per square mile in Australia is 7.29 people
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