Question

Evaluate (-3)^-2A:-⅑B:6C:9D:⅑

Answer 1

We want to evaluate;

`(-3)^(-2)`

We use a law of indices to work on this;

`a^(-b)=(1)/(a^b)`

Here, a = - 3 and b = 2;

`-3^(-2)=(1)/(-3^2)=(1)/(9)`

Thus, the final answer is;

`(1)/(9)`