1.

Find the sum of the first 14 terms for a sequence starting with 2, ending with 120 and common difference 2.a.845b.854c.800d.860

Answer»

Answer:

854

Step-by-step EXPLANATION:

USE Sn=n/2(a+l)

Where n=14, l=120,and a=2

14/2(2+120)

=7(122)

=854



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