Respuesta :

Answer:

[tex] \frac{405}{1000 } [/tex]

Answer:

81/200

Step-by-step explanation:

After decimal point, there are 3 decimal places.

[tex]0.405 = \frac{405}{1000}[/tex]

Now, reduce to simplest form

[tex]\frac{405}{1000}=\frac{81}{200}[/tex]