To find how many times less \( 10^2 \) is than \( 10^6 \), we can divide \( 10^2 \) by \( 10^6 \):
\[ \frac{10^2}{10^6} = 10^{2 - 6} = 10^{-4} \]
Therefore, \( 10^2 \) is \( 10^{-4} \) times less than \( 10^6 \).
The correct response is:
\( 10^{-4} \)