Help me please please please

Answer:
see below
Step-by-step explanation:
[tex]\frac{15}{20} = \frac{3}{4} = 0.75[/tex]
[tex]\frac{6}{11} = 0.545455[/tex]
[tex]\frac{3}{16} = 0.1875[/tex]
[tex]\frac{4}{16} = \frac{1}{4} = 0.25, 2^{-2}[/tex]
[tex]\frac{2}{12} = \frac{1}{6} = 0.16 (with-a-dot-over-the-6-from-16), 6^{-1}[/tex]
hope I could help