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posted by Nicole on Tuesday, August 28, 2012 at 3:23pm.
The sun is 1.40•10^11m away and light travels at 3.00•10^8m/s. Calculate how long it takes light from the sun to reach the earth. Express your answer in scientific notation.
t = 1400*10^8 / 3*10^8 = 466.7 s.
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