Question
If $m = 3$ and $n = 7,$ evaluate:
$4n^2$
$4n^2$
✓
Answer
$4n^2$
$= 4 \times n \times n$
$= 4 \times 7 \times 7$
$= 196$
$= 4 \times n \times n$
$= 4 \times 7 \times 7$
$= 196$
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