Question

me ajudem
obrigada!!!!!!!

Answer 1

Olá,
Boa Tarde,


e) U = 5,0 x 10^3 . 4,0 x 10^-3
conserva e soma os expoentes
U = 5,0 . 4,0 x 10^3-3
U = 20 . 10^0
U = 20 . 1
U = 20

d) V= 1,5x10^-1 . 2,0x10^3
V= 1,5 . 2,0 x 10^-1 -3
V= 3,0x10^-4

Espero Ter Ajudado, Dúvidas comente!