Try another version of this question Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Evaluate the partial sum of the series:` \sum_(n=0)^(18) (-1)^n 2n = `
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Enter DNE for Does Not Exist, oo for Infinity 18