I'm pretty sure that it is 140. Hope I helped!
Note that A and D are ludicrous choices, so you can throw them away outright. (Any divergent series cannot have a sum, and any convergent series must have a sum.)
The sum is certainly convergent because it can be written as a geometric sum with common ratio between terms that is less than 1 in absolute value.


We can then find the exact value of the sum:




So the answer is B.
Answer:
Step-by-step explanation:
I think its D cuz there should be one bar with negative value