The prefix nano stands for one-hundredth one-billionth one-millionth one-trillionth

Julie multiplies 6.27 by 7 and claims the product is 438.9 .explain without multiplying how you know juliesanswer is not correct. find the correct answer

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.