Question

please answer fast question

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Answer 1

Answer:

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Step-by-step explanation:

$log_{2} \: log_{25}(5) \\ = > log_{2} \: log_{ {5}^{2} }(5) \\ = > log_{2}( \frac{1}{2} ) \\ = > log_{2}( {2}^{ - 1} ) \\ = > - 1$