1. **State the problem:** Calculate the product of 2 and 10. 2. **Formula used:** Multiplication of two numbers is given by $a \times b$. 3. **Apply the formula:** Here, $a=2$ and $b=10$, so we calculate $2 \times 10$. 4. **Calculate:** $2 \times 10 = 20$. 5. **Conclusion:** The product of 2 and 10 is 20.