# How do you use a calculator to evaluate the expression log0.03 to four decimal places?

May 27, 2017

$1.5229$

#### Explanation:

$\log 0.03 \equiv {\log}_{10} 0.03$

$\text{using the "color(magenta)"log"" key on the calculator}$
$\text{followed by 0.03 gives the value}$

$\Rightarrow \log 0.03 \approx 1.5229 \text{ to 4 dec. places}$