Question

help please

Answer 1

its the second one i think not 100 sure u shuld get another opinion tho

Answer 2

the problem says that you need the sum from 0 to 3 of the term i, so you will have to plug in i into the sum of terms: (0)^3+(1)^3+(2)^3... which one do you think is the one that is correct?

Answer 3

notice that as you plug in "i" into the sum you start with zero and progress all the way to 3 as the given by the problem