Evaluate: $- 3^{2} + {(3^{2})}^{3}$ .

81

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243

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- 243

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720

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Solution

The correct option is D $720$
The value of $- 3^{2} + {(3^{2})}^{3}$
$= - 9 + 3^{6}$ ....[Using $(a^{m})^{n} = a^{m \times n}$ ]
$= - 9 + 729$
$= 720$ .

Hence, option $D$ is correct.

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