Question

Tick (✓) the correct answer
The value of (−2)⁻⁵ is
(a) −32
(b) $\frac{-1}{32}$
(c) 32
(d) $\frac{1}{32}$

Answer 1

(b) $\frac{-1}{32}$

${\left(-2\right)}^{-5}=\frac{1}{{\left(-2\right)}^5}=\frac{1}{-32}=\frac{1\times \left(-1\right)}{-32\times \left(-1\right)}=\frac{-1}{32}$