Question

please answer me dear geniuses ??

Answer 1

Answer:

Step-by-step explanation:

Sorry I commented wrong...

a=8000,d=100

Total months in 10years=12×10=120

Hence, our n is 120

Now, an=a+(n-1)d

Therefore, a120=8000+(120-1)100

=8000+11900

= 19900…

Hoped it will be correct...