Khan/khan-exercises — Issue #9276: Properties of numbers 2 - Negative?
Author: KhanBugz
Created: 2011-12-22 14:25:12+00:00
State: open
Labels: chrome, lion, wrong-or-unclear

When I try to type a negative number, with the "-" key on mac, it rejects the answer, and tells me I am wrong!

[properties_of_numbers_2.html?seed=84&problem=additive-inverse](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_2.html?seed=84&problem=additive-inverse&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_2.html?seed=84&problem=additive-inverse&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22-7924%5C%22%22%2C9%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C9%5D%2C%5B%22hint-activity%22%2C%220%22%2C10%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22-7924%5C%22%22%2C14%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22-7924%5C%22%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22-7924%5C%22%22%2C8%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22-7924%5C%22%22%2C24%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22-7924%5C%22%22%2C8%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22-7924%5C%22%22%2C2%5D%5D)

["-7924","-7924","-7924","-7924","-7924","-7924","-7924"]

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.63 Safari/535.7

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