Question

find the value of y ​

Answer 1

Since 9 is square root of 81, from this fact we can say that here, y = 1/2.

HOPE THIS HELPS YOU.

Answer 2

Answer:

$81^y$=9

We know that 9²= 81

So,

$\sqrt{81^y}$=$\sqrt{9}$

$9^{y}$=3

therefore,

y=1/2