Question

If $m=3$ and $n=7$, evaluate :

iii) $(10m{)}^2$

Answer 1

Step: Evaluate

Given: $(10m{)}^2$
Substituting $m=3$ in the given expression
$(10m{)}^2=(10\times 3{)}^2$
$={30}^2$
$=900$

Hence, the value of $(10m{)}^2$ for $m=3$ and $n=7$ is $900$.