Standard form for 4 hundred-thousands,13 thousands,11 hundreds, 4 ones

Me what is the value of x? showing work would be appreciated - ! : )

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0