Question

find value of x in following question:
1/(4)^-x=1/64​

Answer 1

${( \frac{1}{4}) }^{x} = \frac{1}{64} \\ { (\frac{1}{4} )}^{x} = {( \frac{1}{4} )}^{3} \: \: \: \: \: \: (64 = 4 \times 4 \times 4) \\ comparing \: both \: sides \: we \: get \\ x = 3$

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