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Canada has a population that is about 1/10 as large as the united states. If canadas population is about 32 million, about how many people live in the united states? Explain the number of zeros in your answer.

Verified Answer :

Call Canada's population \(c\), and call the U.S. population \(u\).

We see that \(c=\frac{u}{10}\).  Substituting 32 million for c, we see that \(32,000,000=\frac{u}{10}\).  Multiplying by ten, we see that \(320,000,000=u\).  By using Algebra properly, we have ensured that the number of zeroes in our final answer is correct.

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