# Math Help - Sigma notation help

1. ## Sigma notation help

How do I write:

7 + 8 + 9 + ... + 137 using notation

2. This can be done several ways: $\sum\limits_{k = 1}^{131} {\left( {6 + k} \right)} = \sum\limits_{k = 6}^{136} {\left( {1 + k} \right)}$.

3. Hello, Cammie!

How do I write: . $7 + 8 + 9 + \hdots + 137$ using sigma notation?

How about: . $\sum^{137}_{n=7} n$