Question

solve the following find the sum of all 10 multiples of 2​

Answer 1

Step-by-step explanation:

Just write the table of 2

Answer 2

a= 2 , d = 2 , n = 10 , Sn=?

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

Sn = 10/2 { 2×2 +(10-1) ×2}

Sn = 5{4+ 9×2}

Sn = 5 { 4+18}

Sn = 5 × 22

Sn = 110