valkener Posted April 2, 2013 Posted April 2, 2013 Seems like the correct answer should be 20, not -14?
tarrman Posted April 2, 2013 Posted April 2, 2013 I'm getting -14. Note that it's -(2^4) not (-2)^4, but neither of these expressions give 20. How did you end up with 20, if I may ask?
Eigen Posted April 2, 2013 Posted April 2, 2013 Yup, I'm getting -14 too. Not sure where you think the worked problem is wrong, each step is quite correct. Maybe you should clarify your question and work?
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