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Express the following rational numbers in power notation.
$ -\frac{216}{125} $
Given :
The given number is $-\frac{216}{125}$
To do :
We have to express the given rational number in power notation.
Solution:
We know that,
$(\frac{a}{b})^3 = \frac{a^3}{b^3}$
$-\frac{216}{125}$
$125 = 5\times 5\times 5 = (5)^3$
$216 = 6\times 6\times 6 = 6^3$
Therefore,
$-\frac{216}{125} = -\frac{(6)^3}{(5)^3}$
$= -(\frac{6}{5})^3$
Therefore, $-\frac{-216}{125}$ in power notation is $-(\frac{6}{5})^3$.
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