9
3
0
2
Answer is Wrong!
Answer is Right!
The correct answer is (b), 3.
2° = 2 à 2 à 2 = 8
3° = 3 à 3 à 3 = 27
4° = 4 à 4 à 4 = 64
8 + 27 + 64 = 99
However, the question asks for the sum of 2°, 3°, and 4°, not 2, 3, and 4. Therefore, the answer is 3.