document.write( "Question 873124: I need help please!\r
\n" ); document.write( "\n" ); document.write( "Use the formula from Kepler's hire law of planetary motion, P^2=a^3, to determine P, in years, for Mercury if a=0.387 AU.
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Algebra.Com's Answer #526995 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"P%5E2=a%5E3\"
\n" ); document.write( "\"P%5E2=%280.387%29%5E3\"
\n" ); document.write( "\"P%5E2=0.057961\"
\n" ); document.write( "\"P=sqrt%280.057961%29\"
\n" ); document.write( "\"highlight%28P=0.241%29\" \"years\"
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