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NO.1574
中等
00:00
本题平均耗时:3分01秒
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正确率:71%
Earth makes a complete revolution around the Sun once per year in a nearly circular orbit that has a radius of about 93×106 miles. Of the following, which is closest to the distance, in miles, that Earth travels in that orbit in one year?
6×93×106
3×93×106
2×93×106
\(\frac {1} {2}\)×93×106
\(\frac {1} {3}\)×93×106
Select one answer choice.
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