$8.$ A cube$-$shaped gift box has a volume of $1000$ cubic centimeters. Determine its sphericity.

$9.$ A cylindrical tank has a diameter of $3$ meters and a height of $5$ meters. Find its sphericity.

$10.$ A packing material used in a chromatography column has an average diameter of $1\mathrm{.}5$

centimeters. Calculate its sphericity.

$11.$ A sphere has a radius of $10$ centimeters. Determine its sphericity.

$12.$ A cube$-$shaped ice cube tray has a volume of $500$ cubic centimeters. Find its sphericity.

$13.$ A cylindrical container has a diameter of $8$ inches and a height of $10$ inches. Calculate its

sphericity.

$14.$ A granule of pharmaceutical ingredients has a diameter of $2\mathrm{.}2$ millimeters. Find its

sphericity.

$15.$ A packing material used in an absorption column has an average diameter of $1\mathrm{.}8$

centimeters. Find its sphericity.