Get the answers you need at Westonci.ca, where our expert community is always ready to help with accurate information. Our platform provides a seamless experience for finding reliable answers from a knowledgeable network of professionals. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

Write the series using summation notation.

9+29+129+...

Sagot :

the answer is 71 because you had to subtract them to get to the summation