Question

if X = (¾)power -2 × (6/9) power -2 , find the value of X power -3........it's an emergency please answer me quickly​

Answer 1

Answer:

$x = \frac{3}{4} ^{ - 2} \times \frac{6}{9} ^{ - 2}$

$x = \frac{16}{9} \times \frac{81}{36}$

$x = 4$

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

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Answer 2

X = (3/4)^-2 × (6/9)^-2

= (4/3)^2 × (9/6)^2

= 16/9 × 81/36

= 16×9/36

= 4

X^-3 = 4^-3

= (1/4)^3

= 1/64