SOLUTION: simplify 7to2nd+8to3rd-8to2nd

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Question 74840: simplify 7to2nd+8to3rd-8to2nd
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
7^2 + 8^3 - 8^2
49 + 512 - 64
497