If m = – 7, evaluate: 2m^3 - Vidyadip

Question

If $m = – 7$, evaluate:
$2m^3$

✓

Answer

$2m^3$
$= 2 \times m \times m \times m$
$= 2 \times (− 7) \times (− 7) \times (− 7)$
$= 2 \times (− 343)$
$= − 686$

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