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Verified answer
1. 1.144 m/detik = 4118400 m/jam = 4118,4 km/jam2. 2,5 jam + 6 menit = 9000 detik + 180 detik = 9180 detik
Catatan :
1 m = 0.001 km
1 km = 1000 m
1 jam = 3600 detik / 60 menit
1 menit = 60 detik / 1/60 jam
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