Answer:
a₂ = 243
Step-by-step explanation:
The term to term rule from left to right in the sequence is divide by 3
The term to term rule from right to left is the opposite, multiply by 3
Given
a₅ = 9, then
a₄ = 9 × 3 = 27
a₃ = 27 × 3 = 81
a₂ = 81 × 3 = 243 ← required term
