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OpenStudy (anonymous):
Please let me know if I did them right. I am getting ready for my final. Thank you! I did them on a calculator. Compute: (a) \[\sum_{i=1}^{5}2^{i}\] i got 62 (b) \[\sum_{k=3}^{12}(-1)^{k}k/k ^{2}+1\] i got -.1299 (c) \[\sum_{i=1}^{5}i!\] I got 153
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