1. (−27)−23=1(−27)23 2. 1−2723=1−27132=1−272=1−32=19 3. another answer (−27)−23=((−27)13)−2 =(−27)−2=(−3)−2=1−32=19 (X)−m=1(X)m (X)mn=(X1n)m X13 = X.−27=−3 X13 = X.−27=−3 (X)−m=1(X)m

Find out the answer to "(−27)−23"

High School
Algebra
Pre-Algebra
Equations, expressions, and inequalitie

Wribreeminsl

Answered question

2020-11-03

\frac{{(- 27)}^{- 2}}{3}

Answer & Explanation

unessodopunsep

Skilled2020-11-04Added 105 answers

1. ${(- 27)}^{- \frac{2}{3}} = \frac{1}{{(- 27)}^{\frac{2}{3}}}$
2. ${\frac{1}{- 27}}^{\frac{2}{3}} = {\frac{1}{- 27^{\frac{1}{3}}}}^{2} = {\frac{1}{\sqrt{- 27}}}^{2} = {\frac{1}{- 3}}^{2} = \frac{1}{9}$
3. another answer
${(- 27)}^{- \frac{2}{3}} = {({(- 27)}^{\frac{1}{3}})}^{- 2}$

$= (\sqrt{- 27})^{- 2} = (- 3)^{- 2} = {\frac{1}{- 3}}^{2} = \frac{1}{9}$
${(X)}^{-} m = \frac{1}{{(X)}^{m}}$
${(X)}^{\frac{m}{n}} = {(X^{\frac{1}{n}})}^{m}$
$X^{\frac{1}{3}}$ = $\sqrt{X} . \sqrt{- 27} = - 3$
$X^{\frac{1}{3}}$ = $\sqrt{X} . \sqrt{- 27} = - 3$
${(X)}^{-} m = \frac{1}{{(X)}^{m}}$

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