Respostas

2013-10-31T01:53:56-02:00
Km   hm     dam    m    dm    cm     mm
10^3 10^2  10^1  10^0 10^-1 10^-2 10^-3

0,75 Km = 750 m
30 hm = 3000 m
50 cm = 0,50m
1230 mm = 1,23 m

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750 m + 3000 m + 0,5 m  + 1,23 m = 3751,73 m