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1 km = 100,000 centimetres so 400 km = 400*100,000 = 40 million cm. Simple!

1 km = 100,000 centimetres so 400 km = 400*100,000 = 40 million cm. Simple!

1 km = 100,000 centimetres so 400 km = 400*100,000 = 40 million cm. Simple!

1 km = 100,000 centimetres so 400 km = 400*100,000 = 40 million cm. Simple!

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11y ago
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11y ago

1 km = 100,000 centimetres so 400 km = 400*100,000 = 40 million cm. Simple!

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Q: How many cm in 400 km?
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