Question

If $x=2$ and $y=10$, evaluate :

iv) $5y^2$

Answer 1

Step: Evaluate

Given: $5y^2$
Substituting $y=10$ in the given expression
$5y^2=5\times {10}^2$
$=5\times 100$
$=500$

Hence, the value of $5y^2$ for $x=2$ and $y=10$ is $500$.