has the smallest diameter of the giant planets, but has the highest .

Uranus, density

Neptune, mass

Neptune, density

Uranus, rotation rate

See the explanation below.

Explanation:

The giant planets are also called the gaseous planets, they are located outside the asteroid belt.

Neptune has the smallest diameter of the giant planets, but has the highest density

Note: in order to find exact densities and diameters, you can search through the web

the answer would be 32*f

see earlier answer