document.write( "Question 450253: the half-life of cesium-137 is 40 years. suppose we have a 34-g sample. find a function that models the mass remaining after t years. \n" ); document.write( "

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the half-life of cesium-137 is 40 years.
\n" ); document.write( " suppose we have a 34-g sample.
\n" ); document.write( " find a function that models the mass remaining after t years.
\n" ); document.write( ":
\n" ); document.write( "The radiology decay formula
\n" ); document.write( "A = Ao*2^(-h/t)
\n" ); document.write( "Where
\n" ); document.write( "A = amt after t yrs
\n" ); document.write( "Ao = initial amt
\n" ); document.write( "t = time in yrs
\n" ); document.write( "h = half-life of substance, in yrs
\n" ); document.write( ":
\n" ); document.write( "A = 34*2^(-t/40) \n" ); document.write( "

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