pag iniciais MATEM.pmd - Axpfep1.if.usp.br
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Capítulo IX – Explorando situações numéricas<<strong>br</strong> />
Conferindo seu Conhecimento<<strong>br</strong> />
I. a) 6 x 10 12 b) 10 14 .<<strong>br</strong> />
II. 130.200km.<<strong>br</strong> />
III. Resposta (b).<<strong>br</strong> />
I.<<strong>br</strong> />
II.<<strong>br</strong> />
Hidrogênio: 8,375 x 10-5 (menos denso).<<strong>br</strong> />
Hélio: 1,664 x 10-4 .<<strong>br</strong> />
Nitrogênio: 1,165 x 10-3 .<<strong>br</strong> />
Oxigênio: 1,332 x 10-3 .<<strong>br</strong> />
Cloro: 2,95 x 10-3 .<<strong>br</strong> />
a) Mesma ordem de grandeza<<strong>br</strong> />
b) Uma ordem de grandeza.<<strong>br</strong> />
c) Uma ordem de grandeza<<strong>br</strong> />
d) Uma ordem de grandeza.<<strong>br</strong> />
e) Três ordens de grandeza.<<strong>br</strong> />
I. 1/8; 3/8.<<strong>br</strong> />
II. 60%; 160%.<<strong>br</strong> />
I.<<strong>br</strong> />
a) 2,00 .<<strong>br</strong> />
b) 22,00.<<strong>br</strong> />
c) 26,40.<<strong>br</strong> />
d) 6,40; 32%.<<strong>br</strong> />
II. 19,80; 32%<<strong>br</strong> />
III.<<strong>br</strong> />
a) 16,00<<strong>br</strong> />
b) 4,00<<strong>br</strong> />
c) 3,20<<strong>br</strong> />
d) 16,00; 12,80<<strong>br</strong> />
e) Baratinho<<strong>br</strong> />
f) Sim<<strong>br</strong> />
IV. a) 20.808,00 b)21.224,16<<strong>br</strong> />
V. Resposta (c).<<strong>br</strong> />
VI. Aproximadamente 7 anos.<<strong>br</strong> />
VII. Resposta (c).<<strong>br</strong> />
VIII. Resposta (b).<<strong>br</strong> />
IX. Resposta (c).<<strong>br</strong> />
I. Resposta (c).<<strong>br</strong> />
II. Resposta (c).<<strong>br</strong> />
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