Question
Express the following in power notation:
$\Big(\frac{-8}{5}\Big)^3$
$\Big(\frac{-8}{5}\Big)^3$
✓
Answer
$\Big(\frac{-8}{5}\Big)^3=\frac{-8}{5}\times\frac{-8}{5}\times\frac{-8}{5}$
$=\frac{(-8)\times(-8)\times(-8)}{5\times 5\times 5}$
$=\frac{-512}{125}$
$=\frac{(-8)\times(-8)\times(-8)}{5\times 5\times 5}$
$=\frac{-512}{125}$
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