In a second-semester english class, 35% of the students are sophomores and the rest freshmen; 20% of the sophomores are repeating the course and 15% of the freshmen gained admission to the course by advanced placement. the professor randomly selects a student to comment on the assignment. (round your answers to three decimal places.)

(a) find the probability that the professor selects a sophomore who is repeating the course.
(b) find the probability that the professor selects a freshman who gained advanced placement admission to the class.

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 104 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 105 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.

Answer this question only if you know the answer! 30 points and

Asquare parking lot has 6,400 square meters what is the length in meters