Question

gente pelo amor de Deus não entendo nada de matemática

como faz esses cálculos?????? (**tem q colocar os cauculos tbm)

a) 3,7. 10 2  +  5,8 . 10 2  =    
                  
 b) 8,3 . 10 7  +  4,9 .10 7  =
        8,3 +                                                                                                3,7 +
        4,9  .                                                                                                5,8  .
c) 7,3 . 10 4  -   5,7 . 10 4  =                                              d)  8,7. 10 2  -  3,9 . 10 2  =
 
        7,3 -                                                                                                                 8,7 -
        5.7  .                                                                                                                3,9  .
 e) 6,6 .10 7 x  2,7.10 4 =                                                     f)  5,3 .10 -5 x  1,9.10 -9 =
 

                                6,6 x                                                                                                      5,3 x
                                2,7 .                                                                                                       1,9 .
 
 g) 1,5 .10 5 :  0,05 .10 -9 =
 
   
             1,5   : 0,05


 



 
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Answer 1

Resposta:

tem muitos fora do lugar