?

Algebra

Free Version

Upgrade subject to access all content

Easy

Sum Of An Arithmetic Series Of 54 Terms

ALGEBR-ITGYMK

Find the sum of the first $54$ terms in the sequence defined by the formula:

$$a_{n}=116.8-2.1(n-1)$$

A

$3005.1$

B

$3302.1$

C

$5.5$

D

$9312.3$

E

None of the above.