document.write( "Question 603877: how long will it take to travel 2 1/2 billion miles at light speed? \n" ); document.write( "
Algebra.Com's Answer #380863 by Alan3354(69443)\"\" \"About 
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how long will it take to travel 2 1/2 billion miles at light speed?
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\n" ); document.write( "t - d/r
\n" ); document.write( "t = 2.5E9/1.86E5
\n" ); document.write( "t =~ 1.344E4 seconds
\n" ); document.write( "3 hrs 44 minutes
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