Answer:
[tex]0.09\text{ \%}[/tex]Explanation:
Here, we want to get the equivalent of 0.0009 in percentage
Mathematically, to convert a decimal to a percentage, we have to multiply the decimal by 100%
Thus, we have that as:
[tex]\text{ 0.0009 }\times\text{ 100\% = 0.09\%}[/tex]