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The square root of four twenty-fifths, is two fifths, because of the fact that the square root of four is two and the square root of twenty-five is five.

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Q: What is the square root of four twentyfifths?
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What is four and four twentyfifths as a decimals?

4.16


What is an example of a rational number between the negative square root of four and the square root of four?

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The answer is 2 on the square root of 3, all divided by 4. You come to this conclusion by multiplying the square root of three quarters by the square root of four divided by the square root of four, since there can't be a square root in the denominator. This will cancel out the "4" in the square root of three quarters, causing it to be now the square root of 12 over a normal four (the square root of four times the square root of four equals four). Then you simplify the square root of twelve by taking it's radical form, knowing that it takes 4 and 3 to multiply to get 12, and 4 is a perfect square, you take its perfect square which is 2, and put it outside of the square root of 3, all over 4. Hope this helped


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The square root of -4 is: 2 i


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