Answer:
A prism whose cross-section is a 60-sided polygon has 120 vertices.
Step-by-step explanation:
A polygon has the same quantity of sides and vertices, as a prism has two poligonal faces, the number of vertices is double the quantity of vertices of the 60-sided polygon. That is:


A prism whose cross-section is a 60-sided polygon has 120 vertices.
4.1 times 10 to the power of 4
Answer:
The discriminant equals to 0
Step-by-step explanation:
We have to remember our discriminant rules;
d > 0, we have 2 real roots
d = 0, we have 1 real root
d < 0, we have 2 complex roots