Respostas

2014-08-16T13:48:53-03:00
A)  38000 = 3,8. 10^{4}
b)  95000000 =  9,5. 10^{7}
c)  150000000 = 1,5. 10^{8}
d)  3000000000 = 3,0.10^{9}
e)  0,023 = 2,3.10^{-2}
f)   0,00148 = 1,48. 10^{-3}
g)  0,00000059 = 5,9. 10^{-7} 

h)  0,0000000007 = 7,0.10^{-10}
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João josesc muito obrigada pela sua ajuda