Question

If ${\log }_{10}4=0.6020$, then ${\log }_{10}400=$

• A. 1.4771
• B. 2.6020
• C. 3.4771
• D. 1 .5771

Answer 1

Answer: (B)

Given, ${\log }_{10}4=0.6020$
${\log }_{10}400={\log }_{10}4+2{\log }_{10}10$
$=0.6020+2$
$=2.6020$