Khan/khan-exercises — Issue #4540: Exponents 4 - not taking answer
Author: KhanBugz
Created: 2011-10-18 17:29:56+00:00
State: open
Labels: ie8

when given a correct answer says wrong even using the all the hints to see if the answers right

[exponents_4.html?seed=21&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/exponents_4.html?seed=21&problem=0&debug)

["1/3","(1/3)2","(1/3)","3","1/9"]

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