What doer 10 raise to power minus 3 means in maths?

In mathematics, (10^{-3}) represents the number one divided by ten raised to the third power. This can be expressed as ( \frac{1}{10^3} ), which equals ( \frac{1}{1000} ) or 0.001. Essentially, (10^{-3}) indicates a small value that is a thousandth of one.