From a Knowledge of the Size and Mass of a Nucleus

From a knowledge of the size and mass of a nucleus, one can estimate the density of nuclear material. Such a calculation shows that the density of nuclear matter is on the order of magnitude of

A) 10⁴ kg/m³.
B) 10¹¹ kg/m³.
C) 10² kg/m³.
D) 10¹⁷ kg/m³.
E) 10⁸ kg/m³.