1, The Greek letter to indicate summation is?4, The most common letters for the index of summation, or summation variable are?A, K,L,M,NB, J,K,L,MC, W,X,Y,ZD, A,B,C,D5, if you wish to convert an expression into one using summation notation the parts of the original expression that changesA, should not change in the summation notation expressionB, Are not used when writing summation notationC, or an indication of the correct index of summationD, or an indication of the lower and upper limits of summation

Question 2 (1 point) One use of summation notation is to: O a) complicate mathematical expressions 0 b) simplify mathematical expressions and write them compactly O c) satisfy Descartes desire to be remembered Q d) avoid long division Question 3 (1 point) lower limit of summation must be: O a) 0 O b) negative 0 c) positive 0 d) 1