Question
Find $x$ in the following when $: \log_2 \ 0.5 = x$
✓
Answer
$\log _2 0.5=x$
$\Rightarrow 2^x=0.5=\frac{1}{2}$
$\Rightarrow 2^x=2^{-1}$
$\therefore x=-1 .$
$\Rightarrow 2^x=0.5=\frac{1}{2}$
$\Rightarrow 2^x=2^{-1}$
$\therefore x=-1 .$
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