document.write( "Question 1167473: There are 5500 lbs of a radioactive element with a half life of 5 years. What is its continuous decay rate? Please write your answer as a percentage using 2 decimal places. \n" ); document.write( "

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\n" ); document.write( "There are 5500 lbs of a radioactive element with a half life of 5 years. What is its continuous decay rate? Please write your answer as a percentage using 2 decimal places.
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If ½ life is “a” years, then k, or Continuous Decay Rate, or DECAY CONSTANT = . In this case the continuous decay rate, or decay constant = 
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document.write( "Note that the rate is negative (< 0), and should be since the element DECAYED over time. \n" );
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