Practice mode / Logarithm If log10 2 = 0.3010, the value of log10 80 is: A Option A: 1.6020 B Option B: 1.9030 C Option C: 3.9030 D Option D: None of these Correct answer B. 1.9030 Show answer Report a problem How we write and check questions
Question 01 / Logarithm If log10 2 = 0.3010, then log2 10 is equal to: A Option A: 699/301 B Option B: 1000/301 C Option C: 0.3010 D Option D: 0.6990 Correct answer B. 1000/301 Show answer Open question
Question 02 / Logarithm If log a/b + log b/a= log (a + b), then A Option A: a + b = 1 B Option B: a - b = 1 C Option C: a = b D Option D: a2 - b2 = 1 Correct answer A. a + b = 1 Show answer Open question
Question 03 / Logarithm log 8/ log 8 is equal to: A Option A: 1/8 B Option B: 1/4 C Option C: 1/2 D Option D: 1/8 Correct answer C. 1/2 Show answer Open question
Question 04 / Logarithm If log 2 = 0.3010 and log 3 = 0.4771, the value of log5 512 is: A Option A: 2.870 B Option B: 2.967 C Option C: 3.876 D Option D: 3.912 Correct answer C. 3.876 Show answer Open question
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