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The population of France is 6.6 x 10 to the power of 7 nd the population of the United States is 3.19 x 10 to the power of 8. About how many times larger is the population of the United States compared to France?

User Siefix
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6.6 is close to 7 so we round it there. 10 to the power of 7 is 10 million so 7 x 10 million is 70 million. Now let’s look at United States. 3.19 is close to 3 so we round it there. 10 to the power of 8 is 100 million. 3 x 100 million is 300 million now we subtract 300 million with 70 million and that is 230 million.

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User NewBoy
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