Answer:
The answer to your question is 5.5 x 10¹² kg/km³
Explanation:
Data
density = rho = X
mass = 5.94 x 10²⁴ kg
volume = 1.08 x 10¹² km³
Process
To solve this problem use the density formula and simplify it to find the result.
Formula
density = 
Substitution
density = 
Simplification and result
density = 5.5 x 10¹² kg/km³
The statement that is true concerning an atom would be C. The atomic number of an atom is equal to the number of protons.
Answer:

Explanation:
From conservation of energy states that

i think it’s B. sorry if i’m wrong