Question

-12,3×10elevado a 2
_______________
3×10elevado a -3

Answer 1

Boa tarde, observe que dividimos a parte que multiplica a base 10.

$\frac{-12,3.10^2}{3.10^{ -3}} = -4,1 ~.10^2~.10^{+3}\\\\ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~\boxed{\boxed{resposta=-4,1.10^5}}$