Multiple Choice
Radio waves travel at the speed of light, which is 3.00 × 108 m/s. How many kilometers will a radio message to outer space travel in exactly one year? (365.24 days = 1 y)
A) 9.46 × 1015 km
B) 7.30 × 108 km
C) 7.10 × 1010 km
D) 9.47 × 1012 km
E) 3.33 × 10- 3 km
Correct Answer:
Verified
Correct Answer:
Verified
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