Question

What is the sum of the first ten terms of the sequence of even numbers?

Answer 1

Answer:

110

Step-by-step explanation:

2+4+6+8+10+12+14+16+18+20=110

Answer 2

Answer:

here is your ans

Step-by-step explanation:

First 10 even numbers are,

2,4,6,8,10,12,14,16,18,20

The above series is in A.P.

here a=2, d=2, l=20 and n=10.

In A.P. Sn=n/2[a+l]

=10/2[2+20]

=5*22

=110