Question
Simplify:$\bigg[\Big(\frac{1}{3}\Big )^{-3}-\Big(\frac{1}{2}\Big)^{-3}\bigg]\div\Big(\frac{1}{4}\Big)^{-3}$
✓
Answer
$\bigg[\Big(\frac{1}{3}\Big )^{-3}-\Big(\frac{1}{2}\Big)^{-3}\bigg]\div\Big(\frac{1}{4}\Big)^{-3}$
$=[(3)^3-(2)^3]\div(4)^3$
$=[(3)^3-(2)^3]\div(4)^3$
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