Understand square root concept: Understand the concept of a square root.The square root of a number is a value that, when multiplied by itself, gives the original number. Since the problem asks for the positive square root, we only need to find the non-negative value that satisfies this condition for 16.
Calculate square root of 16: Calculate the square root of 16. To find the square root of 16, we look for a number that, when multiplied by itself, equals 16. We know that 4×4=16. Therefore, the positive square root of 16 is 4.