2 4 x 10 elevado a 3 July 8, 2019 16 32 64 128 8 2 x 10 elevado a 2 x 4 x 10 elevado a 3 2 elevado a 4 4 32 x 10 2 4 x 10^-3 2 4*10^-3 2 4e+10
