Question

What is the last term

Answer 1

Answer:

an example

Step-by-step explanation:

let s=1+2+3+...+1000

in this case last term is 1000

let us solve the sum

s(1000)=1000/2(1+1000)

$sn = \frac{n}{2} (a + l)$

=500(1001)

answer=500500

Answer 2

Answer:

16

Step-by-step explanation: