4) (2³ + 5²) ÷ 3 =

Let's calculate step by step:

First, we need to calculate the values inside the parentheses:

$$2^3 = 2 \times 2 \times 2 = 8$$ $$5^2 = 5 \times 5 = 25$$

Now add:

$$8 + 25 = 33$$

Next, we divide by 3:

$$33 \div 3 = 11$$

So, the answer is:

(2³ + 5²) ÷ 3 = 33 ÷ 3 = 11