simply. assume all variables represent positive real numbers (sqrt = quare root): 1.) sqrt. 96x^2 y
2.) ^4 sqrt. 16a^4
3.) ^3 sqrt. 64x^4 y^5

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please help, i am taking an exam & dont understand it :(

i dont understand what you are supposed to find out.

like whats it on? on my exam it just says to simplify

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