How do you condense #2log x + 4 log y - 2 log z#? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer ali ergin Jun 4, 2016 #log((x^2*y^4)/z^2)# Explanation: #2log x+4log y-2log z ?# #log (x^2*y^4)-log z^2# #log((x^2*y^4)/z^2)# Answer link Related questions What is the common logarithm of 10? How do I find the common logarithm of a number? What is a common logarithm or common log? What are common mistakes students make with common log? How do I find the common logarithm of 589,000? How do I find the number whose common logarithm is 2.6025? What is the common logarithm of 54.29? What is the value of the common logarithm log 10,000? What is #log_10 10#? How do I work in #log_10# in Excel? See all questions in Common Logs Impact of this question 2468 views around the world You can reuse this answer Creative Commons License