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Exponential Representation for Irrational Numbers

Find the valu...

Question

Find the value of $x$ in $(- 8)^{x} = - 512$

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Solution

$(- 8)^{x} = - 512$
$= (- 8) \times (- 8) \times (- 8) = (- 8)^{3}$
$∴ x = 3$

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