Question

Exponents
Evaluate-
$( - \frac{3}{4} ) {}^{ - 4}$
​

Answer 1

Answer:

$\boxed {\frac {256}{81}}$

Step-by-step explanation:

Formula :

$(\frac {a}{b}) ^{-m} = ( \frac {b}{a}) ^{m}$

Solution :

From the formula

$( - \frac {3}{4}) ^{-4} = (- \frac {4}{3})^{4} \\\\\implies (- \frac {4}{3})^{4} = \frac {256}{81}$

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