\n" );
document.write( "Hi, \n" );
document.write( "half life problems on this site are found under: \n" );
document.write( "Algebra: Exponent and logarithm as functions of power \n" );
document.write( "As Decay is generally describe using: \n" );
document.write( " \n" );
document.write( " fnding the value of k = ln2/(half life) and using that value into the general EQ to find Q(t)