Answer:
4
Step-by-step explanation:
[tex]\sqrt{x}[/tex] means [tex]y^2=x[/tex]
In this case, x = 16
[tex]y^2=16[/tex]
Expand: [tex]y^2[/tex]= y*y
y*y = 16
y = 4
So, [tex]\sqrt{16} =4[/tex]
Hope this helps :)
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