Question

urgente,as contas junto com a reposta ​

Answer 1

1) 64,0 x 10^3 = 64.000
8,0 x 10^3 = 8.000

2) 27,0 x 10^4 = 270.000
3,0 x 10^5 = 300.000

3) (4,0 x 10^3) . (5,0 x 10^4)
4.000 x 50.000 = 200.000.000

4) (6,0 x 10^5) . (7,0 x 10^-6)
600.000 x 0,000007 = 4,2

5) (8,0 x 10^2) . (9,0 x 10^-4)
800 x 0,0009 = 0,72