A $1\mathrm{.}25-$gallon $[$gal$]$ quantity of molten $($liquefied$)$ plastic is going to be used to make a $1-$foot $[$ft$]$ by $8-$inch $[$in$]$ plastic block. If $0\mathrm{.}75$

liters $[$L$]$ of the plastic is lost in the manufacturing process, how thick is the final plastic block in units of inches $[$in$]?$

$3.$ You$$ve been tasked to design a bottle for a juice manufacturer. The bottle is cylindrical in shape, with a $3-$inch $[$in$]$ diameter and a

height of $0\mathrm{.}45$ meters $[$m$].$ What is the volume of the bottle in cubic centimeters $[$cm$3]?$