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1 It is hard to imagine how big a billion is. A billion is 1 000 000 000 (or one thousand

million). There are 1 000 millimetres in 1 metre and 1 000 metres in 1 kilometre.
How many millimetres are in 1 kilometre?

1 Answer

2 votes

Answer:

100000

Step-by-step explanation:

multiply the length value by 1e+6

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