Question

A group of 169 students to be seated in a square formation for a yearbook photo. Solve the equation 169=s^2 to find how many students should be in each row.

Answer 1

`169 = s^2\\13* 13 = s^2\\13* 13 = s * s \\\\s = 13`

Answer 2

`s^2 = 169\\s^2 = 13^2\\\\ √(s^2) = √(13^2) \\\\s = 13`