To find the numerical equivalent of \( 10^2 \cdot 10^3 \), you can use the property of exponents that states \( a^m \cdot a^n = a^{m+n} \).
So,
\[ 10^2 \cdot 10^3 = 10^{2+3} = 10^5. \]
Now, converting \( 10^5 \) to its numerical equivalent:
\[ 10^5 = 100,000. \]
Thus, the answer is:
100,000.