Use the properties of logarithms, given that ln(2) ≈ 0.6931 and ln(3) ≈ 1.0986, to approximate the logarithm. use a calculator to confirm your approximations. (round your answers to four decimal places.) (a) ln(0.75) ≈ -0.5569 incorrect: your answer is incorrect. (b) ln(24) ≈ 8.3172 incorrect: your answer is incorrect. (c) ln( 3 18 ) ≈ 0.9635 correct: your answer is correct. (d) ln 1 72 ≈ 0.0458 incorrect: your answer is incorrect.