Lol I am doing the same thing in school. 4.503+6.23 is 10.733. Since it is addition, the number with the least decimal place is 2 decimal places. Therefore, you round it to 2 decimal places which is 10.73
Smoking ruins your lungs making it harder to breath and get oxygen you need oxygen when you exercise so you don't faint smokers get less so it is harder for them, its like trying to exercise while breathing through a sponge or a straw os
