Originally Posted by puffin
It is a little thing but according to ds7's teacher 4500g converts to 4.500kg. It is not inaccurate just incorrect and it makes me think she just taught them to move the decimal place rather than say there are 4.5 1000's in 4500.
I'm just a 'umble maths prof, but that doesn't look incorrect to me, even if it is an opportunity to talk about precision and how to guess it when it isn't stated...

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