log 2 0,04 + 2 log 2 5 =

Используем свойство логарифмов: n * logₐ b = logₐ (bⁿ) и logₐ b + logₐ c = logₐ (bc). log₂ 0.04 + 2 log₂ 5 = log₂ 0.04 + log₂ (5²) = log₂ 0.04 + log₂ 25 = log₂ (0.04 * 25) = log₂ 1 = 0