Khan/khan-exercises — Issue #15699: Pre-algebra challenge - Exponents
Author: KhanBugz
Created: 2012-03-08 03:44:52+00:00
State: open
Labels: hard, safari, snowleo

i do not believe that you have made a video of negative exponents.

[pre-algebra_challenge.html?seed=171&problem=multiplying (multiplying_and_dividing_negative_numbers)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=171&problem=multiplying&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=171&problem=multiplying&debug&activity=%5B%5D)

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