Question

$fi nd \: the \: value \: of \: 3 {}^{ - 2} + - 2 {}^{3}$

Answer 1

${3}^{ - 2} + ( - {2}^{3} ) \\ \frac{1}{ {3}^{2} } - {2}^{3} \\ \frac{1}{9} - 8 \\ \frac{1 - 72}{9} \\ \frac{ - 71}{9}$
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