Answer:
-7/18
Step-by-step explanation:
You know that 8/9 = 0.888.... repeating, so this value is effectively ...
[tex]-0.3\overline{8}=-\left(\dfrac{3}{10}+\dfrac{8}{90}\right)=-\dfrac{3(90)+10(8)}{(10)(90)}=-\dfrac{350}{900}=\boxed{-\dfrac{7}{18}}[/tex]
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Of course, you can use your calculator to determine which answer choice has the given decimal equivalent.
