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Remember in 1 kilometre there are 1000 metres.

So in 4 kilometres there are 4 x 1000 = 4000 m

In half a kilometre (0.5) there are 1000/2 = 500 metres.

So in 4.5 kilometres there are 4000 + 500 = 4500 metres.

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lenpollock

Lvl 16
1y ago

What else can I help you with?