Evaluate \(log_{10}5 + log_{10}20\)
-
2
- 3
- 4
- 5
The correct answer is: A
Explanation
\(log_{10}5 + log_{10}20\)
\(log_{10}[5\times 20]\)
\(log_{10}100\)
\(log_{10}10^2\)
\(2log_{10}10 = 2\)