Math Olympiad 2

Place Value & Expanded Form( Week 28 Evaluation)

1. In the number 1718478, what is the hundred thousands digit?

2. In the number 472, what is the digit in the tens place: ?

3. In the number 423, what is the digit in the hundreds place: ?

4. In the number 855, what is the digit in the hundreds place?

5. In the number 179251678, what is the digit in the one millions place?

6. Convert the following expanded form into a whole number: 7 × 10² + 6 × 10¹ + 8 × 10⁰ =

7. Convert the following expanded form into a whole number: 1 × 10⁴ + 6 × 10³ + 4 × 10² + 2 × 10¹ =

8. Round 810 to the nearest tens.

9. Round 6012761 to the nearest tens.

10. Round 180894722 to the nearest hundreds.

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