1. **State the problem:** We need to find the total time students will spend watching 6 videos, each lasting 8.7 minutes. 2. **Formula used:** Total time = Number of videos $ \times $ Duration of each video 3. **Apply the formula:** $$\text{Total time} = 6 \times 8.7$$ 4. **Calculate:** $$6 \times 8.7 = 52.2$$ 5. **Interpretation:** The students will watch for a total of 52.2 minutes when watching all 6 videos.