document.write( "Question 103941: I am also having a problem with this.
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document.write( "The diameter of the Milky Way disc is approximately 9x10^20 meters. How lon does it take light, travel at 10^16 m/year to travel across the diameter of the Milky Way? \n" );
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Algebra.Com's Answer #75678 by edjones(8007)![]() ![]() You can put this solution on YOUR website! 9*10^20/10^16=9*10^4=90,000 yrs \n" ); document.write( " |