What is the principal square root of 16?
A
-4
B 4
С
1/4
D
-1/4

4

Step-by-step explanation:

The principal square root is the positive square root

sqrt(16) = ±4

taking the positive square root

4

answer: 4 meters

step-by-step explanation: to you understand 2/3 better you can do 1 divided by 3 = . then multiply that by the 2 which is .66666666666666667 then you would do 6 x .66666666666666667 which is 4.      

hope this .