Question

De o Valor Das Expressoes Em Notaçao Cientifica

a) (6,3.10^-8) : 0,7:10^-14)
b) (0,4.10^7) . (1,2.10^-8)
c) (6.10^3)^2
d) [ (6.2.10^-10) . (5.10^20) ] : (2.10^7)

Answer 1

a)9.$10^{6}$
b)4,8.$10^{-2}$
c)3,6.$10^{7}$
d)1,55.$10^{4}$