Question

Логарифм. Решите подробно

Answer 1

20 * lg 500 = 20 * log₁₀ 500 = 20 * log₁₀ 100*5 = 20 * log₁₀ 100 + log₁₀ 5 = 20*2+log₁₀ 5 = 40+log₁₀ 5

Answer 2

20 lg500=20*(lg5+lg100)=40+20lg5