Simplify using exponential notation: x

(40 points) i need some . an answer definition is appreciated as well.

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.