Two planes take off at the same time from an airport. The first plane is flying at 246 miles per hour on a course of 130.0°. The second plane is flying in the direction 165.0° at 359 miles per hour. Assuming there are no wind currents blowing, how far apart are they after 2 hours?
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Apply the rules regarding the use of significant digits after all computations are complete.
?
A. 423 miles
B. 421 miles
C. 427 miles
D. 431 miles
E. 429 miles
Answer: A
Mathematics
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= 
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