Light travels 9 . 4 5 ⋅ 1 0 1 5 9.45⋅10 15 9, point, 45, dot, 10, start superscript, 15, end superscript meters in a year. There are about 3 . 1 5 ⋅ 1 0 7 3.15⋅10 7 3, point, 15, dot, 10, start superscript, 7, end superscript seconds in a year. How far does light travel per second?
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Answer:
3*10^8
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