5/6 all you do is divide by 5
Answer:
Final answer is
.
Step-by-step explanation:
We have been given an infinite geometric series.
Now we need to find it's sum.
common ratio
.
plug n=1 to get the first term





Now plug these values into infinite sum formula

Hence final answer is
.
Answer:

Step-by-step explanation:
×
×
× 
1 × 1 × 1 × 1 = 1
3 × 3 × 3 × 3 = 81
