Question

b) 6 - 4 + 3³ - 8 ÷ 2

Explanation:

Step1: Calculate exponentiation

$3^3 = 3\times3\times3 = 27$

Step2: Calculate division

$8\div2 = 4$

Step3: Perform addition and subtraction from left to right

First, $6 - 4 = 2$; then, $2 + 27 = 29$; finally, $29 - 4 = 25$

Answer:

25