Khan/khan-exercises — Issue #7685: Properties of numbers 2 - properties of numbers 2
Author: KhanBugz
Created: 2011-12-03 22:39:18+00:00
State: open
Labels: ie8, vista, wrong-or-unclear

Reporter: gavin.rae@hotmail.com

i can not workout the answer to the first question! by what number can we multiply 6199to get 1?

if we multiply by 0 we get 0 and by 1 we get 6199....how do we end up with 1? im i doing something very stupid?

thanks

[properties_of_numbers_2.html?seed=104&problem=multiplicative-inverse](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_2.html?seed=104&problem=multiplicative-inverse&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/properties_of_numbers_2.html?seed=104&problem=multiplicative-inverse&debug&activity=%5B%5D)

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