Use the model for 1 . 8 × 1 . 2 1 . 8 × 1 . 2 to answer the question. A group of four grids is shown that make a large rectangle. The upper left grid is 10 by 10 with the dimension of 1 and 1 labeled. The upper right grid is 10 by 8 labeled 0.8 on top. The bottom left grid is 2 by 10 labeled 0.2 on the left. The bottom right grid is 2 by 8. Which shows the correct expression and answer for solving 1 . 8 × 1 . 2 1 . 8 × 1 . 2 with partial products? A. 1 + 0.08 + 0.02 + 0.16; 1.26 B. 1 + 0.8 + 0.2 + 1.6; 2.16 C. 1 + 0.8 + 0.2 + 0.16; 2.16 D. 1 + 0.08 + 0.2 + 0.16; 1.26