Homework Help: Science

Posted by Jason on Wednesday, February 6, 2013 at 8:54pm.

If the adverage weight of a human body is 75kg and given the mass of the earth is 5976 x 10^21kg, how many people will it take to exceed the weight of the earth? At the present growth of 1.14%, when will the present population of 6.8 x 10^9 grow to that number?

Science - saim, Thursday, February 7, 2013 at 9:16am
it will take = (5976*10^21)/75=7968*10^19
humans

it will take
(1.14^n)*6.8x10^9=7968x10^19
n comes out to bw 26.4

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