Solution 1.3:3d

From Förberedande kurs i matematik 1

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Current revision (13:12, 22 September 2008) (edit) (undo)
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Because
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Because <math>\,27 = 3\cdot 9 = 3\cdot 3\cdot 3 = 3^{3}</math> thus,
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<math>27=3\centerdot 9=3\centerdot 3\centerdot 3=3^{3}</math>
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thus,
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{{Displayed math||<math>\frac{1}{27} = \frac{1}{3^{3}} = 3^{-3}</math>.}}
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<math>\frac{1}{27}=\frac{1}{3^{3}}=3^{-3}</math>
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Current revision

Because \displaystyle \,27 = 3\cdot 9 = 3\cdot 3\cdot 3 = 3^{3} thus,

\displaystyle \frac{1}{27} = \frac{1}{3^{3}} = 3^{-3}.