By scientific notation I am assuming you mean standard form, as that is used primarily in scientific calculations. The answer in standard form would be

I hope this helps!
Answer:
2400 eggs
Step-by-step explanation:
12*200=2400
Answer:
3n^2 (9+25n)
Step-by-step explanation:
Answer:
No solution
Step-by-step explanation:
Using substitution, we get to the answer 12=0, which is untrue meaning no solution.
Hope this helps! Please give Brainliest!!