Respostas

2014-04-17T22:25:04-03:00
0,0045km -> 450cm -> 4,5.10²
182mm -> 18,2cm -> 1,82.10¹
0,78dm -> 7,8cm -> 7,8.10
67,5.10^5dam -> 6 750 000dam -> 6 750 000 000cm -> 6,75.10^9
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