\[\boxed{\mathbf{3.114}}\]
\[\textbf{а)}\ 1\ м = 100\ см = 1000\ мм\]
\[1\ мм = 1\ :1000 = 0,001\ м.\]
\[\textbf{б)}\ 1\ а = 100\ м^{2}\]
\[1\ м^{2} = 1\ :100 = 0,01\ а.\]
\[\textbf{в)}\ 1\ сут. = 24\ ч.\]
\[1\ ч = 1\ :24 = \frac{1}{24}\ сут.\]
\[\textbf{г)}\ 1\ л = 1\ дм^{3} = 1000\ см^{3}.\]
\[1\ см^{3} = 1\ :1000 = 0,001\ л.\]