Hello @khanacademy I want to ask question, when I do practice on measurement and data, based on the graph the data using cm (centimeters), but why at the question is "meters" ? 
pic.twitter.com/Hk6aNoB7XD
Hi Abdan, thanks for getting in touch! Looks like you've spotted an error in our content! Could you submit it to our help center here: http://khan.co/KA-support Thanks so much!
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I have report it to the help center
but I forgot to copy paste the error link that time, I am sorry about it but I have the screenshot. Here's the link related to my report, Thanks a lot ! 
https://khanacademy.zendesk.com/hc/en-us/requests/192675 …Thanks. Twitter will use this to make your timeline better. UndoUndo
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