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Question 35

The distance between the star Vega and the Earth is 2.7×1014 km2.7 \times 10^{14}\,\text{km}2.7×1014km.

The speed of light is 3.0×108 m/s3.0 \times 10^8\,\text{m/s}3.0×108m/s.

Calculate the time taken for light from Vega to reach the Earth. Give your answer in standard form.

[3]
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