Question

Помогите пожалуйста, даю 40 балов

Answer 1

2lg5 + 1/2 lg 16 = 2

Answer 2

$2 log_{10}(5) + \frac{1}{2} log_{10}(16) = \\ log_{10}( {5}^{2} ) + log_{10}( \sqrt{16} ) = \\ log_{10}(25) ) + log_{10}(4) = \\ log_{10}(25 \times 4) = \\ log_{10}(100) = 2$