Birdwatch Note Rating
2023-05-25 22:34:25 UTC - HELPFUL
Rated by Participant: E575A2C403B067C1ACC98951217FE7C0C1599CC0C5FE4A109E1C85B712543DE7
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Original Note:
This is not a math rule. Examples of it not working are the square root of 16 or 81. Square roots of positive numbers are not in general rational numbers, and so cannot be written as a terminating or recurring decimal expression. https://math.stackexchange.com/questions/217124/what-is-the-mathematical-formula-for-square-root
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