ANSWER
EXPLANATION
The sum of the first terms of a geometric sequence is given by;
Where , is the number of terms and is the first term.
When , we have , we get;
That answer your looking for is 80
I think it’s A I’m not sure
Answer:
The solution is given below:
Step-by-step explanation:
As we know the value of k and r so the equation will be
Answer:
1. Exact Form: 71/28 Mixed Number Form: 2 15/28
2. Exact Form: 27/10 Mixed Number Form: 2 7/10
3. Exact Form: 5/6
4. Exact Form: 5/4 Mixed Number Form: 1 1/4
5. Exact Form: 25/12 Mixed Number Form: 2 1/2
Step-by-step explanation: