document.write( "Question 890485: A sample of radioactive substance decayed according to y=100(10)^-0.4x
\n" ); document.write( "where y was the mass in grams and x was the time in hours after the original measurement.
\n" ); document.write( "(a) How much was present at the original measurement? (Hint: Let x=0.)
\n" ); document.write( "(b) How much was in the sample to the nearest gram after 3 hours?
\n" ); document.write( "(c] How much was present to the nearest gram after 5 hours?
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Algebra.Com's Answer #539077 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
AGAIN, this was answered yesterday, and the method is still no different.\r
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\n" ); document.write( "\n" ); document.write( "This is the response to number 890324, same as this one number 890485 - http://www.algebra.com/algebra/homework/playground/test.faq.question.890324.html
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