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5 August, 20:49

Light travels 300,000,000 m/s, and one year has approximately 32,000,000 seconds. a light year is the distance light travels in one year. state the speed in km/s, using scientific notation

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  1. 5 August, 21:18
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    300 000 000 m/s in km/s

    1000 m = 1km

    300 000 000 m/s = 3 * 10⁸ m/s = 3 * 10⁵ * 10³ m/s

    = 3 * 10⁵ * 10³ m/s

    = 3 * 10⁵ km/s

    Speed = 3 * 10⁵ km/s
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