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OpenStudy (anonymous):
Help pleasee!??! A chemist is trying to find out how many different molecules she can make by adding a chlorine, fluorine, or bromine to an existing molecule. If there are 4 places that these elements can be added to the existing molecule, how many different molecules could the chemist make? Be sure to state if the problem involves a permutation or a combination and state if repetition is allowed. Show all of your work and explain your answer.
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OpenStudy (anonymous):
2
OpenStudy (anonymous):
^^ deff wrong lol
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