Question 3
LogarithmsEvaluate log5(0.04)/(log318 − log32)
- A.1
- B.−1
- C.⅔
- D.−⅔
Show the answer and explanation
Answer: B (−1)
Explanation
0.04 = 1/25 = 5−2, so the top is −2. The bottom is log3(18 ÷ 2) = log39 = 2. So the value is −2/2 = −1.
Evaluate log5(0.04)/(log318 − log32)
Answer: B (−1)
0.04 = 1/25 = 5−2, so the top is −2. The bottom is log3(18 ÷ 2) = log39 = 2. So the value is −2/2 = −1.