Question

maths class 8 DAV books chapter number 3 exponent and radicals​

Answer 1

Answer:

1/4

Step-by-step explanation:

$512 = {2}^{9} \\ {({2}^{9} )}^{ - \frac{2}{9} } = {2}^{ - 2} = \frac{1}{4}$

Answer 2

$(512) {}^{ \frac{ - 2}{9} }$

$(2 {}^{9} ) {}^{ \frac{ - 2}{9} }$

$(2) {}^{ - 2}$

$\frac{1}{2} \times \frac{1}{2}$

$\frac{1}{4}$