The answer is 23
Step-by-step explanation:
7 + 2^4 ÷ 4 + 2(3² × 2 ÷ 6 + √9)
7 + 16 ÷ 4 + 2(9 × 2 ÷ 6 + √9)
7 + 4 + 2(3 + 3)
11 + 2(6)
11 + 12
= 23
