QUESTION IMAGE
Question
first rewrite the expression as a single power.
$(8^{-2})^{3}=8^{x}$
$x = \square$
Step1: Apply power of a power rule
The power of a power rule states that \((a^m)^n = a^{m\times n}\). For the expression \((8^{-2})^3\), we multiply the exponents: \(-2\times3\).
\[
(8^{-2})^3 = 8^{-2\times3}
\]
Step2: Calculate the exponent
Calculate \(-2\times3\) which equals \(-6\). So \((8^{-2})^3 = 8^{-6}\). Since \((8^{-2})^3 = 8^x\), by the property of equal bases having equal exponents, we have \(x = -6\).
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\(-6\)