How do you expand #ln (3x^4) #? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer Bdub Mar 22, 2016 #ln(3x^4)##=ln3+4lnx# Explanation: #ln(3x^4)# #=ln3+lnx^4#-> use property #log_b(xy)=log_bx+log_by# #=ln3+4lnx#-> use property #log_b x^n = n log _b x# 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 7528 views around the world You can reuse this answer Creative Commons License