1. Modify the final temperature conversion program of Section 8.6 so that it displays the results of each conversion rounded to the nearest hundredth of a degree. 2. Write a GUI program that takes a...

1. Modify the final temperature conversion program of Section 8.6 so that it displays the results of each conversion rounded to the nearest hundredth of a degree.

2. Write a GUI program that takes a radius as input. The outputs, displayed in separate fields, are the area of a circle, the surface area of a sphere, and the volume of a sphere of this radius.