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 Jun 17, 2020
 #1
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Recall the definition of ab.

 

\(a^b = \underbrace{a\times a \times a \times\cdots\times a}_{b\text{ times}}\)

 

That means 

\(10^2 = 10\times 10\\ 4^3 = 4\times 4 \times 4\)

 

The rest is simple.

 Jun 17, 2020

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