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Answer:

15th term of the sequence is 36

Explanation:

Given in the question,

a₁ = First term = -20

d = common difference = 4

Expression for the nth term of an arithmetic sequence is,


T_n=a_1+(n-1)d

Here, n = number or term

We have to calculate 15th term of the sequence,


T_(15)=-20+(15-1)(4)

= -20 + 56

= 36

Therefore, 15th term of the sequence is 36.

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