Question
Express the following as a rational number:
$\Big(\frac{1}{3}\Big)^{-1}$
$\Big(\frac{1}{3}\Big)^{-1}$
✓
Answer
$\Big(\frac{1}{3}\Big)^{-1}$
$=\Big(\frac{3}{1}\Big)^1=\frac{3}{1}$
$=\Big(\frac{3}{1}\Big)^1=\frac{3}{1}$
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