Remember this mnemonic device to help you learn the order of operations:
PEMDAS - Parenthesis, Exponents, Multiplication, Division, Addition, and Subtraction
First, we do the exponents.
2³ + 4 · 8
= 8 + 4 · 8
Next, multiplication
= 8 + 32
Finally, addition.
= 40
That's your answer. Happy Studying~