Question

Help. Direct answers pls

Answer 1

a₄ = 256

Explanation:

Using the given definition , then

a₂ = a₁² = 2² = 4

a₃ = a₂² = 4² = 16

a₄ = a₃² = 16² = 256

Answer 2

256

Explanation:

a₁ = 2

a₂ = (a₁)² = 2 ² = 4

a₃ = (a₂)² = 4² = 16

a₄ = (a₃)² = 16² = 256