Step-by-step explanation:
1. 11 to the power of 16 x 11 to the power of 1
2. a to the power of 6 x a to the power of 8
3. (-2) to the power of 12 x (-2) to the power of 1
4. 1.1 to the power of 7 x 1.1 to the power of 9
5. 3 to the power of 4 x 5 to the power of 2
Assumed it is both 3 or 5, we take 3