Respostas

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2014-02-11T20:52:33-02:00
152=15,2*10
b)0,000152=152*10^-4
c)0,0008=8*10^-4
d)4567=456,7*10
e)0,020=20*10^-2
f)1680=168,0*10
g)0,000045=45*10^-5
2 5 2