document.write( "Question 1179624: An element with mass 970 grams decays by 27.7% per minute. How much of the element is remaining after 13 minutes, to the nearest 10th of a gram?
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Algebra.Com's Answer #809209 by ikleyn(52852) $\"\"$ $\"About$

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document.write( "The formula for the mass M(n) remaining after n years is\r\n" );
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document.write( "    M(n) =  = .\r\n" );
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document.write( "After 13 years\r\n" );
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document.write( "    M(13) =  = 14.31 = 14.3  grams  (rounded).     ANSWER\r\n" );
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