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Question
Simplify each of the following and express the result as a rational number in standard form:
\[\frac{- 11}{9} \times \frac{- 81}{- 88}\]
Sum
Solution
\[\frac{- 11}{9} \times \frac{- 81}{- 88} = \frac{- 11}{9} \times \frac{- 9 \times 9}{- 8 \times 11} = \frac{- 9}{8}\]
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