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The velocity of light is

  • 3 cross times 10 to the power of 8 space space km divided by straight s
  • 3 space cross times space 10 to the power of 8 space miles divided by straight s
  • 3 cross times 10 to the power of 8 space cm divided by straight s
  • 3 cross times 10 to the power of 8 space space straight m divided by straight s
Answer

D.

3 cross times 10 to the power of 8 space space straight m divided by straight s