Answer:
13.74
Explanation:
Add 0.4+0.3 = 0.7, so the equation now looks like this: 12.95+0.7+0.09
Add 0.7 + 0.09 = 0.79, so the equation now looks like this: 12.95 + 0.79
Add 12.95 + 0.79, so now you are left with: 13.74
hope this helps, ask me if you need more explanation