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Mathematics 7 Online
OpenStudy (anonymous):

sqrt of 7/9 times the sqrt of 4/7

OpenStudy (anonymous):

when you have sqrt(x) times sqrt(y) you can combine them to be sqrt(xy) in this problem, you can multiply 7/9 by 4/7 to get 4/9 then, since its in a square root, take the square root of the top and the square root of the bottom, and you get 2/3

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