How do you use a calculator to evaluate the expression log7.2 to four decimal places?

Dec 24, 2016

$\log 7.2 = 0.8573$

Explanation:

Open a scientific calculator, it should appear like this

Now click the number $7.2$ and then the button $\log$,

you should get as follows:

Round the number $0.8573324964312 \ldots$ to four places of decimals to get $0.8573$