Calculate s4 for the sequence defined by {a_n}={19-4n}.

The term for the sequence is 36.

We have to calculate s4 for the sequence defined by {a_n}={19-4n}.

According to the question,

The given nth term of the sequence is,

Where n is the number of the term.

The first term of the sequence is,

The second term of the sequence is,

The third term of the sequence is,

The fourth term of the sequence is,

Therefore,

The for the sequence is,

Hence, The term for the sequence is 36.

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= 36

Step-by-step explanation:

generate the first 4 terms of the sequence using the rule

= 19 - 4 = 15

= 19 - 8 = 11

= 19 - 12 = 7

= 19 - 16 = 3

Hence = 15 + 11 + 7 + 3 = 36