SOLUTION: I need to simpify this equation sqrt(-5)^2x^2y^4 my answer was 5xy^2 am I close?

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Question 173607: I need to simpify this equation
sqrt(-5)^2x^2y^4 my answer was 5xy^2 am I close?
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
By your initial answer, i am assuming the sqrt is around the entire expression
sqrt%28%28-5%29%5E2x%5E2y%5E4%29
If so, then you are correct