Question

The square of $0.4$ is

• A. $0.16$
• B. $0.0016$
• C. $0.63$
• D. $.023$

Answer 1

The correct option is A $0.16$

${\left(0.4\right)}^2$

$=\left(0.4\times 0.4\right)$

$=0.16$

Hence answer is A