Question

$\text{Find the value of}\log \left(13.41\right)\text{with the help of log table given below ?}$

• A. $1.1277$
• B. $1.1274$
• C. $0.1274$
• D. $0.1277$

Answer 1

The correct option is B $1.1274$

Given: $\log \left(13.41\right)$

$13.41$ has two non-zero digit to the left of the decimal.
This can be written as $1.341\times {10}^1$

Now we have to take the first two digits of $1.341$ without considering the decimal.

That is $13$.

Go to the table with the row of $13$.

Find the corresponding $4$ on the same row.

That value is $1271$.

Now go to the fourth digit, i.e, $1$ in the mean difference table.

That value is $3$.

Now add $1271$ and $3$.

$\Rightarrow 1271+3=1274$.

So the value of $\log \left(13.41\right)$ is $1+0.1274=1.1274$.