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OpenStudy (anonymous):
The equatorial radius of Mars is 3,394 km. Which of the following would be a reasonable estimate for the equatorial radius of Mars? A. 3 × 10-3 km B. 3 × 10-4 km C. 3 × 103 km D. 3 × 104 km @ganeshie8 @jim_thompson5910 @Nurali @zepdrix @dan815 @abb0t @Ashleyisakitty
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jimthompson5910 (jim_thompson5910):
3,394 km is close to 3,000 km 3,000 = 3 x 10^3 in scientific notation
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