∑_(m=0)^3▒1/2m. I am having problems understanding this problem, can you help me to understand this? Calculus Introduction to Integration Sigma Notation 1 Answer iceman Mar 2, 2017 #3# Explanation: #sum_0^3 (1/2)m# #=0/2+1/2+2/2+3/2# #=0+1/2+1+3/2# #=3# Answer link Related questions How does sigma notation work? How do you use sigma notation to represent the series #1/2+1/4+1/8+…#? Use summation notation to express the sum? What is sigma notation for an arithmetic series with first term #a# and common difference #d# ? How do you evaluate the sum represented by #sum_(n=1)^5n/(2n+1)# ? How do you evaluate the sum represented by #sum_(n=1)^(8)1/(n+1)# ? How do you evaluate the sum represented by #sum_(n=1)^(10)n^2# ? What is sigma notation for a geometric series with first term #a# and common ratio #r# ? What is the value of #1/n sum_{k=1}^n e^{k/n}# ? Question #07873 See all questions in Sigma Notation Impact of this question 1449 views around the world You can reuse this answer Creative Commons License