Respuesta :
Answer
[tex]1.2864*10^{-3} cm^{2}[/tex]
Explanation:
First we multiply as normal:
0.00032 cm * 4.02 cm = 0.0012864 cm²
It is important to multiply the units too which is why centimeters become square centimeters.
Then we write the answer in scientific notation:
[tex]0.0012864 cm^{2} = 1.2864*10^{-3} cm^{2}[/tex]