The value of the underlined 8 is, hundred billion's. Hope this helped!
Answer:
Technically everything has somewhat of a magnetic field. I guess
I believe that a light bulb releases visible light and a radio antenna releases a radio waves
The Answer is true, the saying opposites attract are true for magnets when poles match though they repel.
If you have a skateboard and you skate into a tree on accident the same amount of force you put onto that tree when you was on the skateboard will come back at you when you bounce back