What is (-12.4)^{-1.8} ?

The solution to (-12.4)^{-1.8} is -1/(12.4^{1.8)}

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Popular >

simplify (-12.4)^{-1.8}

simplify

(- 12.4)^{- 1.8}

- \frac{1}{12. 4 ^{1.8}}

Decimal Notation

- 0.01076 \dots

Solution steps

(- 12.4)^{- 1.8}

Apply exponent rule:

a^{- b} = \frac{1}{a ^{b}}

(- 12.4)^{- 1.8} = \frac{1}{( - 12.4 ) ^{1.8}}

= \frac{1}{( - 12.4 ) ^{1.8}}

Apply exponent rule:

(- a)^{n} = - a^{n},

n

is odd

(- 12.4)^{1.8} = - 12. 4^{1.8}

= \frac{1}{- 12. 4 ^{1.8}}

Apply the fraction rule:

\frac{a}{- b} = - \frac{a}{b}

= - \frac{1}{12. 4 ^{1.8}}

- 1 2^{0}

4 \cdot 2 \frac{1}{2}

81 a^{4} - 625

\frac{x ^{2} + 4 x - 21}{x - 3}