square root of 49 is 7
Explanation:[tex]\begin{gathered} \text{square root of 49 = }\sqrt[]{49} \\ \end{gathered}[/tex][tex]\begin{gathered} 49\text{ is a p}\operatorname{erf}ect\text{ square.} \\ \text{When we find the square root, we would get a whole number} \end{gathered}[/tex][tex]\begin{gathered} 49\text{ =7 }\times\text{ 7} \\ 49=7^2 \\ \sqrt[]{49\text{ }}\text{ = }\sqrt[]{7^2} \\ \end{gathered}[/tex][tex]\begin{gathered} \text{square root cancels the square on the right side of the equation:} \\ \sqrt[]{49}\text{ = 7} \end{gathered}[/tex]