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Mathematics, 28.11.2019 15:31 rleiphart1

The area of the united states is 3,794,100 square miles. which is the best estimation of this area?
a.3 x 106
b.3 x 107
c.4 x 106
d.4 x 107

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The area of the united states is 3,794,100 square miles. which is the best estimation of this area?...
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