When you multiply a power of 10 by another power of 10, you simply add the exponents. For example, $10^3 \times 10^2 = 10^{3+2} = 10^5$.

Would you like more details or have any questions?

Here are five related questions:

1. What happens when you multiply powers with different bases?
2. How do you divide powers of 10?
3. What is the result of raising a power of 10 to another power?
4. Can you explain the concept of scientific notation?
5. How do powers of 10 relate to decimal movement?

Tip: Remember that multiplying by a power of 10 shifts the decimal point to the right by the number of places equal to the exponent.