Question

What is the square of $3\frac{2}{5}$?

• A. $\frac{289}{5}$
• B. $\frac{17}{25}$
• C. $\frac{289}{25}$
• D. $\frac{17}{5}$

Answer 1

The correct option is C

$\frac{289}{25}$

The given expression $3\frac{2}{5}$ can be written as $\frac{17}{5}$.

Squaring this we get

${\left(\frac{17}{5}\right)}^2=\frac{17\times 17}{5\times 5}=\frac{289}{25}$