document.write( "Question 745301: The element lawrencium has a half-life of 10 hours. What fraction of 1 ounce of lawrencium will remain after 4 days 4 hours? \n" ); document.write( "
Algebra.Com's Answer #453786 by tommyt3rd(5050)\"\" \"About 
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4 days and 4 hours is 4(24)+4 = 100 hours\r
\n" ); document.write( "\n" ); document.write( "so our quantity is halved 10 times over the time period:\r
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\n" ); document.write( "\n" ); document.write( "\"Q=Q%5B0%5D%2A%281%2F2%29%5E10\"\r
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\n" ); document.write( "\n" ); document.write( "\"Q=%281%2F1024%29%2AQ%5B0%5D\"\r
\n" ); document.write( "\n" ); document.write( "so it's 1/1024 oz
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