Remember that the little line on top of the numbers indicates that those numbers that have the line on top are repeated up to infinity, and in that case the other three options wouldn´t be possible, so the only correct one is 0.125 because 1/8= .125
If a neutral object loses 1.5x106 electrons, then what will be its charge? ... Felect = (9x109 N/m2/C2)•(4.65 x 10-6 C)•(7.28 x 10-6 C)/(0.658 m)2 = 0.704 N.