Express as a sum of logarithms.
-$\log _ { 10 } x y$
A) $\log _ { 5 } x - \log _ { 5 } y$
B) $\log _ { 10 } x + \log _ { 10 } y$
C) $\log _ { 5 } x + \log _ { 5 } y$
D) $\log _ { 10 } x - \log _ { 10 } y$

Question

Quizplus · Accepted Answer

The logarithmic property $\log_b(xy) = \log_b(x) + \log_b(y)$ allows us to express $\log_{10}(xy)$ as $\log_{10}(x) + \log_{10}(y)$.

Express as a Sum of Logarithms log⁡10xy\log _ { 10 } x ylog10​xy

Express as a Sum of Logarithms $\log _ { 10 } x y$