A Future News Release Might Report That a New Planet

Multiple Choice

A future news release might report that a new planet has been found around a star very similar to our Sun. The system contains other planets as well like our solar system. This newly discovered planet is claimed to have a mass 40 times that of Earth and is located nearly 25 AU from the star it orbits. Which of the following would be a reasonable prediction about this planet, assuming it formed like our solar system
I.The planet will probably have a mean density of around 5 g/cm3.
II.The planet will probably have a radius of around five to ten times greater than Earth's.
III.The planet will probably have several satellites.
IV.The planet will probably have a composition that is mostly hydrogen and helium.

A) I & IV
B) I, II, & III
C) II, III, & IV
D) I, II, & IV
E) I, II, III, & IV