Question

From the sequence 16,22,28,...find S21.​

Answer 1

Answer:

136

Explanation:

Algebraic expression a sequence

$dn + (f - d)$

here,

$d = 6$

$f = 16$

then algebraic expression of this sequence

$6n + (16 - 6)$

$6n + 10$

then 21st term

$6 \times 21 + 10 = 136$

Mark me as brainliest