SOLUTION: what is the square root of 4/81 simplified?

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Question 416912: what is the square root of 4/81 simplified?
Answer by htmentor(1343) About Me  (Show Source):
You can put this solution on YOUR website!
The expression 4/81 can be written 2%5E2%2F9%5E2.
So we have sqrt%282%5E2%2F9%5E2%29 -> 2%2F9.