Khan/khan-exercises — Issue #9500: Exponent rules - Correct answer considered wrong
Author: KhanBugz
Created: 2011-12-25 16:53:47+00:00
State: open
Labels: firefox, win7, wrong-or-unclear

Reporter: topph@altern.org

Expected answer is ((3 exponent 96) times (9 exponent -48)) which is equal to 1. My daughter found ((3 exponent 0) times (9 exponent 0)) which is also equal to 1. She didn't use the same exponent rules as in the hints, but her answer is still correct ;). Thanks for this great site!

[exponent_rules.html?seed=11&problem=combined](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/exponent_rules.html?seed=11&problem=combined&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/exponent_rules.html?seed=11&problem=combined&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%220%5C%22%2C%5C%220%5C%22%5D%22%2C167%5D%2C%5B%22hint-activity%22%2C%220%22%2C93%5D%2C%5B%22correct-activity%22%2C%22%5B%5C%2296%5C%22%2C%5C%22-48%5C%22%5D%22%2C274%5D%5D)

[["0","0"],["96","-48"]]

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:8.0) Gecko/20100101 Firefox/8.0

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