• Watching the tutorial as needed can help students to be more engage in prparing their study guide for this cours acitivty.
• Sample Rf calculation is shown in the image below.

Click on the center play button. (finger or mouse scroll downward toward the bottom of the page)

(finger or mouse scroll to the bottom of the page to click 'Next' to continue)

The images below shown on the board in this lecture/tutorial can also be opened in a new tab (click here)

(finger or mouse scroll to the tutorial at the top of the page)