Khan/khan-exercises — Issue #11534: Pre-algebra challenge - to hard
Author: KhanBugz
Created: 2012-01-18 17:43:05+00:00
State: open
Labels: firefox, wrong-or-unclear, xp

what the f

[pre-algebra_challenge.html?seed=26&problem=25 (exponents_3)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=26&problem=25&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=26&problem=25&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 5.1; rv:9.0.1) Gecko/20100101 Firefox/9.0.1

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