aajudaaa pfvrrrrr :)
![Aajudaaa Pfvrrrrr class=](https://pt-static.z-dn.net/files/d29/d862dfea84faf99e5d8199c8797e10a3.jpg)
Resposta:
6.
A) ³0,²0¹019
1,9 . 10⁻³
B) 14¹9².6³0⁴0⁵.0⁶0⁷0⁸ km
1,49 . 10⁸ km