Answer
$$\log _2\left(x^2y^4\right)$$
Work Step by Step
Using the rules of logarithms, we find:
$$\log _2\left(x^2\right)+4\log _2\left(y\right)\\ \log _2\left(x^2\right)+\log _2\left(y^4\right)\\ \log _2\left(x^2y^4\right)$$
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