The 84th term of the sequence is 1655
How to determine the 84th term?
The arithmetic sequence is given as:
-5, 15, 35, .....
The above sequence has the following parameters:
- Initial value, a = -5
- Common difference, d = 20
The nth term of the sequence is:
Tn = a + (n - 1) * d
So, we have:
T84 = -5 + (84 - 1) * 20
Evaluate
T84 = 1655
Hence, the 84th term of the sequence is 1655
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