Answer:
1000?
10x10x10x10?
don't really get it, but prob the second one.
Answer:
all work is pictured and shown
The v means the square root I hope this helps
The origin is 0,0 the y axis is the line going up, the x axis is the line going like this — the top right is quadrant 1 the one below it is quadrant 2 the one beside that is quadrant 3 and the one above that is quadrant 4