When i ask my calculator for a decimal value of √2, it displays 1.414213562. what is the meaning of this number? to check whether this square root is correct, what needs to be done? can the square root of 2 be expressed as a ratio of whole numbers such as 17 ? 12

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2