Respostas

2014-01-24T18:40:28-02:00
Resposta

d = 13,6g/cm³
m = 680g

d = m/v
v = m/d
v = 680/13,6
v = 50cm³
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2014-01-24T18:42:25-02:00
13,6 g ------- 1cm³ 
680 g -------- x 

13,6 x = 680
x = 680 / 13,6
x = 50 cm³ 
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