Resolvendo:
I.
[tex]A=\sqrt{121} -\sqrt{100} +\sqrt{81} \\\\A=11-10+9\\\\A=10[/tex]
II.
[tex]B=(2^{4} )^{2} :2^{7} \\\\B=2^{8} :2^{7}\\\\B=2^{1}\\\\B=2[/tex]
III.
[tex]\sqrt{A+B+4} =\\\\\sqrt{10+2+4} =\\\\\sqrt{16} =\\\\4[/tex]
Opção 2
Espero ter ajudado!
Desculpe qualquer erro.
