Question

please answer this question with steps​

Answer 1

༒࿐៚ Answer ༒࿐៚

${4}^{ - x} = \frac{1}{64} \\ \\ {2}^{ - 2x} = {2}^{ - 6} \\ \\ - 2x = - 6 \\ \\ x = 3$

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Answer 2

$4^{-x}$ = $\frac{1}{64}$

$\frac{1}{4^{x} }$ = $\frac{1}{64}$

$\frac{1}{4^{x} }$ = $\frac{1}{\sqrt{64} }$

$\frac{1}{4^{x} }$ = $\frac{1}{4^{3} }$

x = 3

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