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Which of these statements are true? O The speed of light in a vacuum is exactly 299,792,458 m/s If you are driving along at 100 km/hr, the light leaving your headlights is moving away from your car at 100 km/hr (0.0277 km/s) plus plus the speed of light, The speed of light in a vacuum is approximately 299,792,458 m/s and is uncertain to about 1 m/'s The speed of light in a vacuum is the same seen by any observer anywhere in the universe