Multiple choice

1 light year =

  1. 9.46 × 1015 km

  2. 9.46 × 1012 km

  3. 9.46 × 1014 km

  4. 9.46 × 1016 km
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A light year is the distance light travels in a vacuum in one year, approximately 9.46 trillion kilometers, or 9.46 x 10^12 km.

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