For what value of a does
-4
ร
-2
0 2
06
1
9
8+1
-81+1.272-82

Answer:
-4
Step-by-step explanation:
(1/9)^(a + 1) = 81^(a + 1) × 27^(2 - a)
[3^(-2)]^(a + 1) = (3^4)^(a + 1) × (3^3)^(2 - a)
3^(-2a - 2) = 3^(4a + 4) × 3^(6 - 3a)
3^(-2a - 2) = 3^(4a + 4 + 6 - 3a)
-2a - 2 = a + 10
-3a = 12
a = -4