Evaluate \(log_{10}5 + log_{10}20\)
A
2
B
3
C
4
D
5
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
\(log_{10}5 + log_{10}20\)
\(log_{10}[5\times 20]\)
\(log_{10}100\)
\(log_{10}10^2\)
\(2log_{10}10 = 2\)
Source: Myschool Past Questions Archive (Record #26474)