Khan/khan-exercises — Issue #6896: Pre-algebra challenge - Wrong anwser 
Author: KhanBugz
Created: 2011-11-22 15:17:53+00:00
State: open
Labels: ie8, wrong-or-unclear, xp

[pre-algebra_challenge.html?seed=155&problem=14 (scientific_notation)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=155&problem=14&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=155&problem=14&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%227489%5C%22%2C%5C%225%5C%22%5D%22%2C23%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%227.489%5C%22%2C%5C%225%5C%22%5D%22%2C8%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%227.489%5C%22%2C%5C%225%5C%22%5D%22%2C11%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%227.489%5C%22%2C%5C%225%5C%22%5D%22%2C3%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%227.489%5C%22%2C%5C%22s%5C%22%5D%22%2C21%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%227.489%5C%22%2C%5C%225%5C%22%5D%22%2C26%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%227.489%5C%22%2C%5C%225%5C%22%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%227.489%5C%22%2C%5C%225%5C%22%5D%22%2C22%5D%5D)

[["7489","5"],["7.489","5"],["7.489","5"],["7.489","5"],["7.489","s"],["7.489","5"],["7.489","5"],["7.489","5"]]

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