Question

The sum of first eight multiples of three

Answer 1

Answer:

I hope this helps you

Step-by-step explanation:

First eight multiples of 3 = 3,6,9,12,15,18,21,24.

The sum of first eight multiples of three

= 3 + 6 + 9 + 12 + 15 + 18 + 21 +24

= 108

Answer 2

Sn=n/2*(X1+Xn)

S8 = 8/2*(3+24)

= 4*27

= 108