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Question
Simplify:
\[\left( 3^2 - 2^2 \right) \times \left( \frac{2}{3} \right)^{- 3}\]
Sum
Solution
\[\left( 3^2 - 2^2 \right) \times \left( \frac{2}{3} \right)^{- 3}\] `=(9-4)xx1/(2/3)^3` `->(a^(-n)=1/a^n)`
`=5xx1/(8/27)`
`=5xx27/8`
`=135/8`
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