Exponents and P...

$$3^{-2}$$ can be written as

The value of $$\left(\dfrac 25 \right)^{-2}$$ is

Mark tick against the correct answer in each of the following:
$$[\left\{(-1/2) ^{2}\right\}^{-2}]^{-1}=$$?

The value of $$\left(\dfrac 25 \right)^{-1}$$ is

If $$x$$ be any integer different from zero and $$m$$ be any integers then $$x^{-m}$$ is equal to

The value of $$(-2)^{2\times 3-1}$$ is

On multiplying ________  by $$2^{-5}$$ we get $$2^5$$

The value of $$(7^{-1}-8^{-1})^{-1} -(3^{-1}-4^{-1})$$ is

$$\left(-\dfrac 57 \right)^{-5}$$ is equal to

$$\left(\dfrac {-7}{5} \right)^{-1}$$ is equal