Approximately how many kilometers are in 1 AU?

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Multiple Choice

Approximately how many kilometers are in 1 AU?

Explanation:
The distance called an astronomical unit is the average distance from Earth to the Sun, used to express scales inside the solar system. That distance is about 149.6 million kilometers, so it’s commonly rounded to roughly 150 million kilometers. This makes 150 million the closest match for 1 AU. The other options are noticeably off: 60 million km is far smaller than 1 AU, about 0.4 AU; 100 million km is around 0.67 AU; 200 million km is about 1.34 AU.

The distance called an astronomical unit is the average distance from Earth to the Sun, used to express scales inside the solar system. That distance is about 149.6 million kilometers, so it’s commonly rounded to roughly 150 million kilometers. This makes 150 million the closest match for 1 AU. The other options are noticeably off: 60 million km is far smaller than 1 AU, about 0.4 AU; 100 million km is around 0.67 AU; 200 million km is about 1.34 AU.

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