Jawabanmu

2014-09-08T14:18:09+07:00
2 hari = 2 x 86.400 = 172.800
4.5 jam = 4.5 x 3600 = 16.200
8 menit = 8 x 60 = 480 

172.800 + 16.200 + 480 = 189.480 detik (b)
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