document.write( "Question 897219: The approximate distance of earth’s orbit around the sun is 150x10^6km.the approximate distance of mars ‘ orbit around sun is 228x 10^6km.light travels 3x 10^8. How much will take for a radio signal to travel from the mars rover to a radio receiver on earth
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Algebra.Com's Answer #544026 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
It depends on the alignment.
\n" ); document.write( "The minimum distance to Mars is 78e6 km.
\n" ); document.write( "The max is 378e6 km.
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\n" ); document.write( "Pick a distance, then use
\n" ); document.write( "d = r*t
\n" ); document.write( "t = d/r
\n" ); document.write( "You didn't specify the units for the speed of light, it's 3e8 km/second
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