Respuesta :

wegnerkolmp2741o

Answer:

4

Step-by-step explanation:

The principal square root is the positive square root

sqrt(16) = ±4

taking the positive square root

4

jojospotlightisking

Answer:

B

Step-by-step explanation

This is because the 'principal square root' means the positive square root of a certain number, and so √16 = 4 × 4, making 4 the answer. This has a certain term for it as √16 could equal -4 also (-4 × -4 = 16).