Precalculus Examples

$\log (3.8) \cdot 10^{- 3}$

Step 1

Log base $10$ of $3.8$ is approximately $0.57978359$ .

$0.57978359 \cdot 10^{- 3}$

Step 2

Move the decimal point in $0.57978359$ to the right by $1$ place and decrease the power of $10^{- 3}$ by $1$ .

$5.79783596 \cdot 10^{- 4}$

Step 3

The result can be shown in multiple forms.

Scientific Notation:

$5.79783596 \cdot 10^{- 4}$

Expanded Form:

$0.00057978$