23-06-2020
Mathematics

contestada

Find the sum of the first 16 terms in an arithmetic series where a1 = 2, and the common difference is d=2. Question 4 options: A) 272 B) 240 C) 360 D) 306

Respuesta :

devishri1977 devishri1977

23-06-2020

Answer:

A) 272

Step-by-step explanation:

[tex]S_{n}=\frac{n}{2}*[2a + (n-1)d]\\\\s_{16}=\frac{16}{2}[2*2+15*2]\\\\ =8*[4+30]\\\\=8*34\\=272[/tex]

Answer Link

aouasanogo32 aouasanogo32

07-07-2021

Answer:

272

Step-by-step explanation:

Answer Link

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