valkener Posted April 2, 2013 Share Posted April 2, 2013 Seems like the correct answer should be 20, not -14? Link to comment Share on other sites More sharing options...
tarrman Posted April 2, 2013 Share 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? Link to comment Share on other sites More sharing options...
Eigen Posted April 2, 2013 Share 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? Link to comment Share on other sites More sharing options...
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