document.write( "Question 387311: Use the exponential decay model A=Pe^(kt) to solve the following proublem.
\n" ); document.write( "The half-life of plutonium-238 is days. The initial amount is 100 grams.
\n" ); document.write( "a)find the value of K to four places.
\n" ); document.write( "b) write the formula for the amount of plutonium-238 present at the end of T days.
\n" ); document.write( "c)How much of the initial amount will remain after 30 days? Round the answer to the nearest tenth gram.
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\n" ); document.write( "I know this seems like alot but I swear it's all one proublem just has Three parts to it, been having trouble, thank you sooo much in advance!!! :)
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Algebra.Com's Answer #273814 by nerdybill(7384)\"\" \"About 
You can put this solution on YOUR website!
You left out something in your problem...
\n" ); document.write( "The half-life of plutonium-238 is ??? days
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