Question

What is the sum of a 54-term arithmetic sequence where the first term is 6 and the last term is 377?

10,341
10,388
10,759
11,130

Answer 1

help i medal and fan

Answer 2

There's an equation that's useful in solving this type of problem
Sn = n(a1 + an) / 2
Sn is the sum of all terms, n is the number of terms, a1 is the first term, and an is the final term. So in this case, Sn = [54(6+377)]/2
So the answer is 10341