As tomato plants grow, keep an eye out for tomato pests and tomato plant diseases such as tomato wilt that may come in the form of fungi, bacteria, or viruses. Get tips for growing healthy tomatoes. In the fall, if you have had tomato plant disease problems or tomato pests of any kind, remove the entire plant.
The square root of 12 is 3.46, rounded to two decimal places. The square root is written as 2 times the square root of 3, in its simplest form. The function may be performed on most calculators by hitting the square root button followed by 12.
Since 13 is not a square number there is no exact real answer, but you can find an approximate value using the following (Newton-Raphson) iteration formula: xn+1=x n - (x2n -13)/(2xn). Using this formula the square root of 13 can be stated as 3.605551275 to 10 s.f. after 3 iterations starting from 3.5.