Question

Express each of the following as a rational number of the form $\frac{p}{q},$ where p and q are integers and q ≠ 0.
(i) 2⁻³
(ii) (−4)⁻²
(iii) $\frac{1}{3^{-2}}$
(iv) ${\left(\frac{1}{2}\right)}^{-5}$
(v) ${\left(\frac{2}{3}\right)}^{-2}$

Answer 1

We know that ${\mathrm{a}}^{-\mathrm{n}}=\frac{1}{{\mathrm{a}}^{\mathrm{n}}}$. Therefore,

(i)


(ii)


(iii)


(iv)


(v)