Question

If ${\log }_{10}11=p$, then ${\log }_{10}\left(\frac{1}{110}\right)=$

• A. $(1+p{)}^{-1}$
• B. $-(1+p)$
• C. $1-p$
• D. $\frac{1}{10p}$

Answer 1

Answer: (B)

$\log \frac{1}{a}=\log a^{-1};\log mn=\log m+\log n$ and ${\log }_{a}a=1$