The number on the very right is 1.8

An electron moves through a uniform magnetic field given by B = Bxi+(2.12 B,)j . At a particular instant, the electron has velocity v = (1. i+4.70j) m/s and the magnetic force acting on it is (3.82 x 10-19) k N. Find By. Number -2.7008 Units T C eTextbook and Media