tolong jawab no 10&11

[tex] \sqrt{1024} = 32 [/tex]
[tex]40\% = 40\% \\ \frac{3}{4} = 75\% \\ 0.8 = 80\% \\ \frac{7}{5} = 140\% \\ 1.6 = 160\%[/tex]
jawaban no 11 a