Halley's comet returns to the vicinity of the sun (and Earth) about once every 76 years. Its last appearance was in 1986. What is the average distance from Halley's comet to the sun, given that the average distance from Earth to the sun is 1.50 × 1011m?
A. 9.9 × 1013 m
B. 1.1 × 1013 m
C. 2.7 × 1012 m
D. 1.8 × 1012 m
E. 6.4 × 1011 m
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