Question

Find the sum of the numbers from 1 to 200 inclusive

Answer 1

You can find this using the arithmetic sum formula:
\[S_n = \frac{n(a_1 +a_n)}{2}\]

Where n is the total number of terms, a1 is the first term, and an is the last term.

Answer 2

Thanks! would the answer be 20100 then?
Just double checking.

Answer 3

yep