Respuesta :
its 89 because 9 times 2 is 81 and 10 times 2 is 100 there nothing to multiple 2 by something to get 89
The answer is: [D]: "89" .
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Note:
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√100 = 10 ;
√64 = 8 ;
√81 = 9 ;
√89 = 9.4339811320566038 .
____________________________________________________
_____________________________________________
Note:
_____________________________________________
√100 = 10 ;
√64 = 8 ;
√81 = 9 ;
√89 = 9.4339811320566038 .
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