(adsbygoogle = window.adsbygoogle || []).push({}); 1. If the entire population of the United States forms a human chain by holding hands, how many times can such a chain be wrapped around the earth's equator. Round your answer to the nearest integer.

2. There were no formulas given for this problem. I googled the length of the earth's equator: it is 6.37 *10^6m and I know that the United States has about 300 million people

3.I tried multiplying 300 million with 6.37*10^6 and got the answer wrong. I'm completely desperate now; I don't have enough information to solve this problem

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# Homework Help: Order of magnitude problems

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