Which expression is equivalent to 9^5×9^3

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.

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Define multiplicative inverse. give an example of a number and its multiplicative inverse.