I got 134.91 but if you round it you’ll get 135
You are actually giving 5 points. Ps I just got five points for telling you that
The answer is (4). You may recall hearing about the "sea of electrons" model of metals. Metals represent the ultimate case of delocalized (shared) valence electrons, and these delocalized valence electrons are what freely move around, conducting current through the body of the metal.