How do you write 6x10^3 in standard form

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

What is the measure of one interior angle of a pentagon

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq