Respuesta :

a.bc  will be 9.86 and 0.d will equal 0.7

so we have  9.86 + 0.7 =  10.57 (answer).

mathmate
The place values of a,b,c and d are
1, 0.1, 0.01 and 0.1

So the largest possible values should be in order of the place values, i.e.
a,b,d,c  = 9.86+0.7 = 10.56
  or
a,d,b,c = 9.76+0.8 = 10.56


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