Help me I really need it

Answer:
Your answer is correct!
Step-by-step explanation:
2 with an exponent of 4 you multiply the number (2) the amount of times as the exponent (4)
Then you remember PEMDAS
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
So, once you do your exponent you multiply 8 and 2 which equals 16. Then you divide 16 by 4 which equals 4.
Lastly, you subtract 16 and 4 which equals 12.
Hope this helps!