Exercises with Logarithms

Please select the appropriate answer for all 4 questions and then click the submit exam for grading button at the end of the page.

Question 1. Simplify log10 900
(a) 3 log10 9
(b) 2 log10 30
(c) 3 log10 30
(d) 4 log10 90
Question 2. Simplify loge 900
(a) 3 loge 9
(b) 2 loge 30
(c) 3 loge 30
(d) 4 loge 90
Question 3. Find the sum of loge 90 and loge 20
(a) log e 110
(b) log e 1800
(c) 90 log e 20
(d) 4 log e 90
Question 4. Simplify loge 900 - loge 90
(a) loge 9
(b) loge 10
(c) 3 loge 30
(d) 4 loge 90