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If 40km, then 40 million millimeters.

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11y ago
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7mo ago

To convert kilometers to millimeters, you need to multiply by 1,000,000 because there are 1,000,000 millimeters in a kilometer. Therefore, 40 kilometers is equal to 40,000,000 millimeters.

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Q: If 40 km then how many mm?
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