HOW TO FIND THE DECIMAL EXPANSION OF A SQUARE ROOT NUMBER???
Here are few links for the answer to your query:
https://www.meritnation.com/ask-answer/question/how-to-find-square-root-of-404-44-by-long-divison-method/math/7326059
https://www.meritnation.com/ask-answer/question/how-to-find-square-root-of-0-75-by-long-division-method/herons-formula/6032416
https://www.meritnation.com/ask-answer/question/what-are-the-square-roots-of-1-2-2-5/squares-and-square-roots/1851107
https://www.meritnation.com/ask-answer/question/how-to-find-square-root-of-404-44-by-long-divison-method/math/7326059
https://www.meritnation.com/ask-answer/question/how-to-find-square-root-of-0-75-by-long-division-method/herons-formula/6032416
https://www.meritnation.com/ask-answer/question/what-are-the-square-roots-of-1-2-2-5/squares-and-square-roots/1851107