Question

[( 0,001) . (0,001) . 10 a -1] : [10. (0,0001)] me ajudeeeeeeeeeeeeeeeeeeeeeeeeemmmmmm

Answer 1

[(10 a -3) . (10 a -3) . 10 a -1] : [10. (10 a -4) =
[10 a -6 . 10 a -1] : [ 10 a -3] =
[10 a -7] : [10 a -3] = 
10 a -4 ou 0,0001