The approximate areas of two states are listed below. •Texas 2.69 × 10 to the 5 power
•Rhode Island 1.21 × 10 to the 3 power square miles.
Determine the difference, in square miles, between the area of Texas and the area of Rhode island. Write your answer 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 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)