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Try It 10.65: Expanding a Logarithm Using the Product and Power Properties

Apply the properties of logarithms to expand the expression log2(5x4y2)\log_2(5x^4y^2). First, use the Product Property to rewrite the logarithm of the product as a sum: log25+log2x4+log2y2\log_2 5 + \log_2 x^4 + \log_2 y^2. Then, apply the Power Property to bring the exponents to the front as multipliers: log25+4log2x+2log2y\log_2 5 + 4\log_2 x + 2\log_2 y. Since log25\log_2 5 cannot be simplified further into an integer or simple fraction, the final expanded expression is log25+4log2x+2log2y\log_2 5 + 4\log_2 x + 2\log_2 y.

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Updated 2026-05-26

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Ch.10 Exponential and Logarithmic Functions - Intermediate Algebra @ OpenStax

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