Answer:
B. A numerical expression
Answer:
20/81
Step-by-step explanation:
Without parentheses, it is hard to tell what you are dividing. We assume you want ...
(4/9)/(9/5)
Then ...

_____
As written (without parentheses), your expression is evaluated left to right, so evaluates to ...
4/(9·9·5) = 4/405
7.5 xxx. 8.0 xxx 8.5 xxx 9.0 xxxxx 9.5 xxxx