Answer:
The first option.
Step-by-step explanation:
Use the density formula: p = m/v
M = mass(3); B = volume(5)
3/5 = .6
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30). degree ( 4 + 1 = <em>5</em> ; 1 + 1 = 2 and 2 + 2 = 4 )
31) D) Choice D