and the Earth is about 1.5 x 108km. Use the distance = speed x time formula (d = v t) to calculate the time it takes light to travel from the Sun to the Earth. Show your work. Express your result with the appropriate number of significant figures.
time = distance/ speed = (1.5x10^8)/ 3.0x10^5 = 0.5x10^3 = 500 sec
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