How do you solve #278^(4x) = 37,800#? Precalculus Solving Exponential and Logarithmic Equations Logarithmic Models 1 Answer Bdub Apr 21, 2016 #x=ln (37,800)/ln 278 -4~~-2.127# Explanation: #ln 278^(4x)=ln (37,800)# #4x * ln 278=ln (37,800)# #4x=ln (37,800)/ln 278# #x=ln (37,800)/ln 278 -4~~-2.127# Answer link Related questions What is a logarithmic model? How do I use a logarithmic model to solve applications? What is the advantage of a logarithmic model? How does the Richter scale measure magnitude? What is the range of the Richter scale? How do you solve #9^(x-4)=81#? How do you solve #logx+log(x+15)=2#? How do you solve the equation #2 log4(x + 7)-log4(16) = 2#? How do you solve #2 log x^4 = 16#? How do you solve #2+log_3(2x+5)-log_3x=4#? See all questions in Logarithmic Models Impact of this question 1997 views around the world You can reuse this answer Creative Commons License