Which of the following shows the correct SI base units for power?
kg m s−1\text{kg m s}^{-1}kg m s−1
kg m2s−2\text{kg m}^2\text{s}^{-2}kg m2s−2
kg m2s−3\text{kg m}^2\text{s}^{-3}kg m2s−3
kg m−1s−3\text{kg m}^{-1}\text{s}^{-3}kg m−1s−3
