Question

How do you simplify `((6a^2)/(7b^3)) ^ -2`?

Answer 1

`6/(7b)`

Explanation:

Numerator: `(6a^2)^-2 = 6a^0 = 6` (because `a^0 = 1`)
Denominator: `(7b^3)^-2 = 7b^1 = 7b`

`((6a^2)/(7b^3))^-2 = 6/(7b)`