Try another version of this question
Evaluate the partial sum of the series:
22∑n=0(-1)n2n= .
22∑n=0(-1)n2n= .
Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity
22