Question

What is the principal square root of 16?
O A. 2
O B. -4
O C. -2
O D. 4

Answer 1

Yo se que es eso si no pues ni modo XD

D.4

Answer 2

D. 4

Explanation:

We know that the square of (+4) is 16 and also for (—4) is 16. We normally takes interest in positive square value for a square root. Therefore, The principal square root of 16 is 4