I have a question please help

Answer:
[tex]\sf 2\sqrt{2}[/tex]
Step-by-step explanation:
First find h(10)
h(x) = 2x - 8
h(10) = 2*10 - 8
= 20 - 8
= 12
[tex]\sf g(x)=\sqrt{x-4}\\\\ g(h(10) = g(12) = \sqrt{12-4}\\[/tex]
[tex]\sf = \sqrt{8}\\\\ = \sqrt{2*2*2}\\\\ = 2\sqrt{2}[/tex]