Khan/khan-exercises — Issue #6956: Properties of numbers 1 - wrong answer
Author: KhanBugz
Created: 2011-11-23 04:48:53+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

[properties_of_numbers_1.html?seed=76&problem=commutative-show-left](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_1.html?seed=76&problem=commutative-show-left&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_1.html?seed=76&problem=commutative-show-left&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%222x5%5C%22%22%2C11%5D%2C%5B%22incorrect-activity%22%2C%22%5C%222%C3%975%5C%22%22%2C19%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C8%5D%2C%5B%22hint-activity%22%2C%220%22%2C12%5D%2C%5B%22hint-activity%22%2C%220%22%2C13%5D%2C%5B%22hint-activity%22%2C%220%22%2C30%5D%2C%5B%22incorrect-activity%22%2C%22%5C%222%C3%975%5C%22%22%2C51%5D%5D)

["2x5","2×5","2×5"]

Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2

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