Sigma Notation

Each of the problems below is a link. If you click on the problem, it will take you to a YouTube video of a full, step-by-step solution for the problem. You may try these problems as practice and use the videos to check your answer, or you can just watch the videos to see more worked-out example problems.

Find the sum: sigma with k = 1 to 5 of k squared
Find the sum: sigma with j = 1 to 100 of left paren negative 1 right paren to the j power
Find the sum: sigma with i = 1 to 3 of i times 2 to the i power
Write the following sum using sigma notation: 1 to the fourth power + 2 to the fourth power + 3 to the fourth power + 4 to the fourth power + 5 to the fourth power + 6 to the fourth power + 7 to the fourth power + 8 to the fourth power + 9 to the fourth power + 10 to the fourth power
Write the following sum using sigma notation: 2 over 4 squared + 3 over 4 cubed + 4 over 4 to the fourth power + 5 over 4 to the fifth power + 6 over 4 to the 6th power + 7 over 4 to the 7th power + 8 over 4 to the 8th power + 9 over 4 to the 9th power