The Average length of full term babies at birth is about $457mm.$ What is this length of $m$ and $m?$

The average weight of a physiological healthy male adult is $75Kg.$ What is the weight in $ng?$

What is the volume of a $4\mathrm{.}25$ gal bucket in $mL?$ Use the given conversions $[1$gal$=4qt$;$1L=1\mathrm{.}057qt$;$1L=1000mL.$