Algebra-1

Question Analysis
This question tests the student's ability to convert a given mass from grams to kilograms using the appropriate conversion factor.

Key Concept Explanation
The key concept here is the use of the conversion factor . Students need to divide the given mass by this conversion factor to obtain the equivalent mass in kilograms.

Step-by-step Solution
1. Identify the given mass: 9000 grams.
2. Use the conversion factor:

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