Understanding Place Value
Place value is a fundamental concept in mathematics that helps us determine the value of a digit based on its position in a number. In decimal numbers, each position represents a power of 10.

Analyzing the Digit 2
Let's explore the place value of the digit 2 in different decimal numbers:

1. In the number 2,345:
- The digit 2 is in the thousands place.
- Therefore, its place value is 2 × 1,000 = 2,000.

2. In the number 0.002:
- The digit 2 is in the thousandths place.
- Hence, its place value is 2 × (1/1,000) = 0.002.

3. In the number 12.2:
- Here, the digit 2 is in the tenths place.
- Its place value is 2 × (1/10) = 0.2.

4. In the number 52,200:
- In this case, the digit 2 is in the hundreds place.
- Thus, its place value is 2 × 100 = 200.

5. In the number 1.234:
- The digit 2 appears in the hundredths place.
- Therefore, its place value is 2 × (1/100) = 0.02.

Conclusion
Understanding the place value of the digit 2 in various decimal numbers helps us grasp how digit positions influence their values. This knowledge is essential for performing calculations and comprehending numerical relationships in mathematics.