Complete the following conversions.

${\displaystyle \underset{?}{\overset{?}{}}}\frac{}{2}771cm=$

m $694ms=s$

$970m=$

$km,563ks=$

$643c{m}^2=$

$m^2$

$474m^2=$

$c{m}^2$

$46\mathrm{.}1c{m}^3=m^3$

$877m^3=$

$c{m}^3$