The answer will be
8.11×10^-3, 435, 34×10^2, and 1.2×10^7. Hope it help!
Point A is exactly in the middle...it is halfway between 0 and 1...so it is 1/2 or 0.5
That's an equal to or less then sign so 10 or anything below should be correct
It is the letter A your welcome