Question

Mark (✓) against the correct answer
The value of ${\left(\frac{3}{4}\right)}^{-3}$ is
(a) $\frac{-27}{64}$
(b) $\frac{64}{27}$
(c) $\frac{-9}{4}$
(d) $\frac{27}{64}$

Answer 1

(b) $\frac{64}{27}$

${\left(\frac{3}{4}\right)}^{-3}={\left(\frac{4}{3}\right)}^3=\frac{4^3}{3^3}=\frac{64}{27}$