Expressed as a surd, the square root of 2/5 is equal to sqrt(10)/5.
Expressed as a decimal number, rounded to three decimal places, this is equal to 0.632.
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4/5
Irrational
The square root of six divided by the square root of two equals the square root of three.
5 times the square root of two over 3 times the square root of two equals 5/3