Question

Tick (✓) the correct answer
The value of (−3)⁻⁴ is
(a) 12
(b) 81
(c) $-\frac{1}{12}$
(d) $\frac{1}{81}$

Answer 1

(d) $\frac{1}{81}$

${\left(-3\right)}^{-4}=\frac{1}{{\left(-3\right)}^4}=\frac{1}{{\left(-1\right)}^4\times {\left(3\right)}^4}=\frac{1}{{\left(3\right)}^4}=\frac{1}{81}$