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9.46073 x 1018 of them are. (rounded)

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12y ago

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There are approximately 9.46 trillion kilometers in a lightyear. To convert this to millimeters, 1 kilometer is equal to 1,000,000 millimeters. Therefore, there are about 9.46 x 10^18 millimeters in a lightyear.

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10mo ago
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Q: How many millimeters are in a lightyear?
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