What is the exact speed of light in vacuum?

 
 
  • Arnav Chaudhary answered Sept. 12, 2017, 8:23 p.m. at

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the exact speed of light in a vacuum is 186,282 miles per second 

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  • Sayed Saif answered March 25, 2017, 10:44 p.m. at

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299792458 m/s

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asked on Mar 25, 2017 at 22:43

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