Your grade point average (GPA) is a form of a weighted average. That is, 4 units of A counts more than 4 units of B. The most common weight for grades is A, 4 points; B, 3 points; C, 2 points; D, 1 point; and F, 0 points. To find a GPA, 1. Multiply the points for each grade by the number of units for the course. 2. Find the sum of these products. 3. Divide this sum by the total number of units taken. Find the GPA for 4 units of F in astronomy, 3 units of D in geometry, 2 units of A in sociology, and 3 units of B in biology. Round your answer to the nearest tenth.