No, I told you, look at my numbers again. You're not getting them in the right order.
See, on each channel, how I have the largest number first? You have zero first on some of the channels.
Are you sure it can't? Have you checked what you took? It's pretty rare.
Remember that bracketing then combining is usually done by people who don't know how to process their raw files accurately. You are not one of those people.
No. You must purge this way of thinking from your mind. If your screen looks any different from your prints, it's BAD.
Have you read all the way down the instructions to the troubleshooting part?
What are their pixel dimensions? That's the important part.
Some very important info here: https://www.damiensymonds.net/2015/08/about-jpeg-file-size.html
I've moved this thread into AD, since it's not a class question.
I can help you do anything you like with the background. You just tell me what you want.