approximate 8,538,206 by rounding to the nearest million. write your approximation as a single digit times the power of ten in exponential form

To approximate 8,538,206 by rounding to the nearest million, follow these steps:

1. **Identify the place value:** The digit in the millions place is 8, and the digit in the hundred thousands place is 5.

2. **Apply rounding rules:** Since the digit in the hundred thousands place (5) is 5 or greater, round up the millions digit (8) to 9.

So, 8,538,206 rounds to **9,000,000**.

3. **Write in exponential form:** \( 9,000,000 \) can be expressed as \( 9 \times 10^6 \).

Therefore, the approximation of 8,538,206 to the nearest million is \( 9 \times 10^6 \).

Would you like more details or have any questions?

Here are 5 related questions for further practice:

1. Approximate 4,389,125 to the nearest million and express it in exponential form.
2. Round 2,739,500 to the nearest hundred thousand.
3. Express 5,250,000 in scientific notation.
4. Approximate 12,489,327 to the nearest million.
5. How would you round 7,345,612 to the nearest ten million?

**Tip:** When rounding to a specific place value, always look at the digit to the right of that place to decide whether to round up or down.

Learn how to approximate 8,538,206 to the nearest million and express it in exponential form. This problem covers rounding numbers and scientific notation, suitable for students in Grades 4-6.

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