Kinetic energy of a 1000 kg car moving at 20 m/s

Assumptions: use translational kinetic energy only.
Use K = (1/2)mv^2.
K = (1/2)(1000 kg)(20 m/s)^2
K = (0.5)(1000)(400) kg*m^2/s^2
K = 200000 J
In scientific notation, K = 2.0 * 10^5 J.