The opposite corners o a quadrilateral are right angles . the quadrilateral is not a rhombus. what kind of quadrilateral is the figure ? explain how you know

How do i do this activity, is appreciated

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)