Which statement about gregory's graph is true​

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at __ link to graph: .

The anwser cause i do not understand just plez