Convert 6.4 km to metres.
Answer and explanation
Correct answer: B. 6400 m
- Step 1: One kilometre is 1000 metres: m. Answer: 6400 m. Why not the others: 640 m: uses 100 instead of 1000. 64000 m: uses 10000. 0.006 m: divides instead of multiplying.
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