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A particular star in a binary star system orbits the other in an elliptical orbit with a semimajor axis of 3 AU and a period of 5 years.What is the sum of the masses of the two stars in the system?


A) 0.9
B) 1.1
C) 13.9
D) 0.07

E) All of the above
F) C) and D)

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