document.write( "Question 1104527: The half-life of a radioactive substance is 4467 years. What is the decay rate (k)? Round to six decimal places as needed. \n" ); document.write( "
Algebra.Com's Answer #719242 by josgarithmetic(39630)\"\" \"About 
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\"y=pe%5E%28-kt%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"k=ln%282%29%2Ft\"\r
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\n" ); document.write( "\n" ); document.write( "\"k=ln%282%29%2F4467\"
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