196k views
9 votes
Write the sum using summation notation, assuming the suggested pattern continues.

4 - 12 + 36 - 108 + ...

User Sharron
by
7.2k points

2 Answers

8 votes
80 is the answer i think
User Roeland Werring
by
6.6k points
9 votes

Answer:80

Explanation:

User Gfoidl
by
8.0k points