12, 2, 5, 4, 7
The coefficients are the numbers that are in front of the letters
The answer 0.6 i apologize if it is incorrect!
Answer:b
Step-by-step explanation: cause my name Komi
2,953.54 * 10^21 kg
https://www.quora.com/What-is-the-average-mass-of-the-rocky-planets-in-our-solar-system
4,832 is the answer that I got
