Question

What is the value of ${\left(-1\right)}^2$?

Answer 1

Find the value of ${\left(-1\right)}^2$.

$\begin{array}{rcl}{\left(-1\right)}^2& =& \left(-1\right)\times \left(-1\right)\\ & =& 1\end{array}$

Hence, the value of ${\left(-1\right)}^2$ is $1$.