If log10 2 = 3010, the value of log10 80 is:

If log₁₀ 2 = 3010, the value of log₁₀ 80 is:

A 1.6020

B 1.9030

C 3.9030

D None of these

Solution

Correct Answer: Option B

log10 80 = log10 (8 x 10)

= log10 8 + log10 10

= log10 (23) + 1

= 3 log10 2 + 1

= (3 x 0.3010) + 1

= 1.9030.