document.write( "Question 816595: A radioactive substance decays so that G, the number of grams present, is given by G = 700e–1.43t, where t is the time in days. Find the amount of the substance present after 4 days. Round to the nearest tenth of a gram. \n" ); document.write( "
Algebra.Com's Answer #491598 by josgarithmetic(39617)\"\" \"About 
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You really mean, G=700*e^(-1.43t) in pure text; as rendered, \"G=700%2Ae%5E%28-1.43t%29\".\r
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\n" ); document.write( "\n" ); document.write( "Simply substitute t=4 and compute G.
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