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To solve this problem, you need to round each number to one significant figure and then multiply them.

1. **Round 264,742 to 1 significant figure:**
   - The first significant figure is '2', and since the next digit is '6' (greater than 5), we round up.
   - So, 264,742 rounded to one significant figure is **300,000**.

2. **Round 9,455 to 1 significant figure:**
   - The first significant figure is '9', and the next digit is '4' (less than 5), so we don't round up.
   - So, 9,455 rounded to one significant figure is **9,000**.

3. **Multiply the rounded numbers:**
   - \( 300,000 \times 9,000 = 2,700,000,000 \).

The estimated answer is **2,700,000,000**.

Would you like further details or have any other questions?

Here are some related questions you might find useful:
1. What is a significant figure and how do you determine it?
2. How does rounding affect the accuracy of an estimation?
3. How can you multiply large rounded numbers quickly?
4. Why is estimation important in mathematics and everyday life?
5. What are some common mistakes to avoid when rounding numbers?

**Tip:** When estimating, always double-check the rounding process to ensure the correct significant figure is used!

By rounding each number to 1 significant figure, estimate the answer to 264,742 × 9,455.

Learn how to estimate the product of 264,742 and 9,455 by rounding each to 1 significant figure. This problem involves estimation and multiplication, perfect for students in Grades 6-9.

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