A block of solid lead sits on a flat, level surface. Lead has a density of $1\mathrm{.}13104$ kg$/$m$3.$ The mass of the block is $21\mathrm{.}2$ kg$.$

$($a$)$

What is the volume of the block $($in m$3)?$

m$3$

$($b$)$

The amount of surface area of the block in contact with the surface is $3\mathrm{.}63102$ m$2.$ What is the average pressure $($in Pa$)$ exerted on the surface by the block?

Pa