A land rover is constructed on earth and has a mass of 823 kg. The rover is sent to Mars where it lands in an area that has a gravitational field strength of 3.69 m/s2. What is the change (in Newtons) to the weight of the land rover from Earth to Mars? Express your answer in the form a.bc x 10 and record the values below for a, b, c, and d in that order (no spaces or punctuation)