Write the complex conjugate of the complex number and multiply the complex number by its complex conjugate. 16+i√10

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: .

I’m stuck on this equation, anyone got the answer?

How do i multiply two digit numbers