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Write 81 in exponential form.

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 Feb 5, 2020
 #1
avatar+21931 
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81 =     8.1 x 101

 

81 =   3 x 3 x 3 x 3 = 34

 Feb 5, 2020
 #2
avatar+275 
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81 is a perfect square (9x9), thus exponentially, 81=9^2=3^4 :D

 Feb 5, 2020

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