Question

find the first 10 even multiples of 3

Answer 1

Answer:

Step-by-step explanation:

Sum of 10 multiples of 3 ,

a = 3,

d = 3,

n = 10,

S10 = ?,

To find S10 -

Sn = n/2 (2a + (n - 1) d )

= 10/2 (2 x 3 + (10 -1) 3)

= 5 (6 + 9 x 3)

= 5 (6 + 27)

= 5 x 33

= 165

Answer 2

Answer:

3,9,15,21,27,33,39,45,51,57

Step-by-step explanation:

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