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The question in the image asks to identify the correct unit conversion for the value **45,000,000 m³** (cubic meters). The options for conversion are given as follows:

1. **45 km³**
2. **0.045 km³**
3. **45 cm³**
4. **4.5 cm³**

### Conversion Process:
- **1 km³ (cubic kilometer) = 1,000,000,000 m³ (cubic meters)**.

Thus, to convert 45,000,000 m³ to km³:
\[
\frac{45,000,000 \, \text{m}^3}{1,000,000,000} = 0.045 \, \text{km}^3
\]

So, the correct answer is **0.045 km³**.

### Do you have any questions or would you like further details?

Here are 5 related questions to further explore:
1. How can you convert cubic centimeters (cm³) to cubic meters (m³)?
2. What is the relationship between cubic meters and liters?
3. How do you convert between square units (e.g., m² to cm²)?
4. How would the conversion change if the volume were expressed in liters?
5. What are some common applications of unit conversion in real-world problems?

**Tip:** Always ensure you're working with the correct unit of measurement by verifying the powers of 10 associated with each unit when performing volume conversions!

Identify the correct unit conversion for 45,000,000 m³.

Learn how to convert 45,000,000 m³ (cubic meters) into cubic kilometers (km³) with a detailed explanation. This problem covers unit conversion concepts and shows the step-by-step calculation, making it suitable for students in Grades 6-9.

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