Answer:

a₁₂=(-61)

Step-by-step explanation:

Given:- a=16, d=(-7),n=12

To Find:-a₁₂

Solution:-

aₙ=a+(n-1)d

a₁₂=16+(12-1)(-7)

a₁₂=16+(11)(-7)

a₁₂=16-77

a₁₂=(-61)