Earth's human population is around 6*10 20th power and its total area excluding the polar cap is roughly5*10 10th power square mile. if human population will uniformly distributed over all land approximately how many persons would be per square mile?
approximately how many persons would be per square mile?
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person per square mile = total population/total area
=> 6 x 1020 / 5 x 1010 = 6/5 x 1020-10 = 1.2 x 1010 = 12000 million people per sqaure mile. This is very large, check your data. You got the concept now.