3. An element has a half-life of 29 hours. If 100 mg of the element decays over a period of 58 hours,
how many mg of the element will remain?

  consider  the  following scenario,  then describe  how  you might conduct  a  study using  ansrs,  convenience sample, and a  voluntary response sample.  you  are  interested  in  parents'  opinion  of the  war  in  iraq.  your population  is  parents  of  high school students.  your question  is, "do you  believe that the  war  in 

Answerhorizontal;

Geographic information system
global positioning system
one has the word information, the other has the word positioning