Respuesta :

70 + 5 + .8 + .05 + .004
I hope this is the answer you are looking for. Or if you are looking for expanded exponential form, it would be: 
7 x 10^1  +  5 x 10^0  +  8 x 10^-1  + 5 x 10^-2  +  4 x 10^-3

Let me know if I am wrong

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