Question

evaluate [ 3^3 - (1/2)^-3 * 1/19

Answer 1

here is your answer in attachment

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Answer 2

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Here is your answer.

${3}^{3} - ( \frac{1}{2} ) { }^{ - 3} \times \frac{1}{19} \\ \\ = {3}^{3} - {2}^{3} \times \frac{1}{19} \\ \\ = 27 - \frac{8}{19} \\ \\ = \frac{513 - 8}{19} \\ \\ = \frac{505}{19} \\ \\ =26.57$
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