Find the 12th term of following geometric sequence 5, 20,80, 320,
1 answer:
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Using pi at 3.14 the answer is 1,017.36
Answer:
There are rows in the theater.
Step-by-step explanation:
Given terms.
Seats in order will form an Arithmetic progression.
As the common difference ,same for three consecutive terms so this an AP.
Now accordingly we can put the AP terms.
Total number of seats
Seats in the first row
Seats in the last row
Summation of terms in AP
OR
Using the second equation.
So the number of rows (n) in the theater