What is the approximate value of the log base 6 of 25 ?

Use the change-of-base rule: log₆(25) = ln(25) ÷ ln(6). Since ln(25) is about 3.219 and ln(6) is about 1.792, the quotient is about 1.796. Therefore, the approximate value is 1.796, choice C.

AI-written and checked against the verified answer.