Khan/khan-exercises — Issue #8392: Properties of numbers 2 - dont understand
Author: KhanBugz
Created: 2011-12-12 02:11:54+00:00
State: open
Labels: chrome, other, win7

i dont really understand it and the videos arent really working

[properties_of_numbers_2.html?seed=199&problem=multiplicative-inverse](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_2.html?seed=199&problem=multiplicative-inverse&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_2.html?seed=199&problem=multiplicative-inverse&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%221%5C%22%22%2C6%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22-1%5C%22%22%2C27%5D%2C%5B%22incorrect-activity%22%2C%22%5C%229465%5C%22%22%2C32%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2211%5C%22%22%2C153%5D%2C%5B%22hint-activity%22%2C%220%22%2C9%5D%2C%5B%22hint-activity%22%2C%220%22%2C9%5D%2C%5B%22hint-activity%22%2C%220%22%2C23%5D%2C%5B%22hint-activity%22%2C%220%22%2C28%5D%5D)

["1","1","-1","-1","9465","9465","11"]

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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