Someone asap what is 16.2791 rounded to the nearest tenth percent

Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 min and 24.5 min what is the study margin of the error?

Find the product. type your answer in the space provided. use / for a fraction bar (example: 1/2) and ^ for an exponent (example: x^5). do not put spaces in your answer. (x -1 y 5)^2 · (2xy -2)^5

Perform the indicated operation and write the answer in the form a + bi. (-5 + 2) + (3 - 6i)