Question

( 20%)² = ... %

Answer 1

\(=\frac{1}{25}\)

Answer 2

\(\left(20\%\right)^2=\left(\frac{20}{100}\right)^2=\left(\frac{1}{5}\right)^2=\frac{1^2}{5^2}=\frac{1}{25}=\frac{4}{100}=4\%\)

Answer 3

\(\left(20\%\right)^2=\left(\frac{1}{5}\right)^2=\frac{1.1}{5.5}=\frac{1}{25}\)