Question

{(1/3)^-1*(-9)^-1}^-1

Solve using exponents. (pls give full method)

Answer 1

Law of exponents used :-

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

[ (1/3)^-1 * (-9)^-1 ]^-1

= [ 3 * -1/9 ]^-1

= [ -3/9 ]^-1

= [ -1/3 ]^-1

= -3

Therefore, your answer is -3.