Is the proportion 28/16 = 14/8 correct

Acable car begins its trip by moving up a hill. as it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. then, as the car moves down to the hill’s base, its elevation drops at the same rate.

Write and solve a real word problem that involves determining distance on a coordinate plane

How do you write something in scientific notation?