Answer
$625y^2$
Work Step by Step
$(5y^\frac{1}{2})^4$
We can write this as $(5\times y^\frac{1}{2})^4$
We can distribute the components inside the exponent to:
$5^4 \times y^(\frac{1}{2}\times4)= 5^4 \times y^2 = 625y^2$
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