Question

Resolva os itens a seguir e de a resposta com notação científica
a)6.10⁴–4.10⁴=
b)3,4.10⁸x2.10-²=
c)12.10⁸:6.10³=​

Answer 1

a) 6.10^4 - 4.10^4 =

6 - 4 = 2

2.10^4

b) 3,4.10^8 . 2.10^-2 =

3,4.2 = 6,8

6,8.10^8+(-2)

6,8.10^6

c) 12.10^8 : 6.10^3 =

12/6 . 10^8-3

2.10^5