Respuesta :

7 + (10 − 4)2 ÷ 4 × 1/2^2
Subtract 4 from 6
7 + (6)2 / 4 * 1/2^2
Multiply 6 by 2 while simplifying 1/2^2
7 + 12 / 4 * 1/4
Multiply 4 by 1/4
7 + 12 / 1
Divide 12 by 1
7 + 12
Add
Final Answer: 19

Your answer is 18, I think. Hope this helps