How do you evaluate log_5(625)? Precalculus Properties of Logarithmic Functions Functions with Base b 1 Answer bp Nov 23, 2015 4 Explanation: The given expression is equivalent to log_5 (5)^4 = 4 log_5 5 =4 Answer link Related questions What is the exponential form of log_b 35=3? What is the product rule of logarithms? What is the quotient rule of logarithms? What is the exponent rule of logarithms? What is log_b 1? What are some identity rules for logarithms? What is log_b b^x? What is the reciprocal of log_b a? What does a logarithmic function look like? How do I graph logarithmic functions on a TI-84? See all questions in Functions with Base b Impact of this question 4390 views around the world You can reuse this answer Creative Commons License