xm=?km x_m=?km xm=?km
x1000 \frac{x}{1000} 1000x
100x 100x 100x
x2kg=?gr x^2kg=?gr x2kg=?gr
x21000 \frac{x^2}{1000} 1000x2
1000x2 1000x^2 1000x2
x2×100kg=?T x^2\times100kg=?T x2×100kg=?T
x210 \frac{x^2}{10} 10x2
In one kilometer there are 1000 meters,
therefore one meter is one-thousandth of a kilometer.