Solve the problem.Halley's comet has an elliptical orbit with the sun at one focus. Its orbit shown below is given approximately by
In the formula, r is measured in astronomical units. (One astronomical unit is the average distance from Earth to the sun, approximately 93 million miles.)
Find the distance from Halley's comet to the sun at its shortest distance from the sun. Round to the nearest hundredth of an astronomical unit and the nearest million miles.
A. 12.03 astronomical units; 1119 million miles
B. 6.02 astronomical units; 559 million miles
C. 5.5 astronomical units; 511 million miles
D. 64.11 astronomical units; 5963 million miles
Answer: C
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A. 525 = 2
B. 2 = 5
C. 5-2 =
D. 25 =