1.(1)600mis=_______s (2)2h=________s (3)100ms=______s (4)1ms=________us (5)150min=_________h (6)10的8次方us=__________s 2.(
问题描述:
1.(1)600mis=_______s (2)2h=________s (3)100ms=______s (4)1ms=________us (5)150min=_________h (6)10的8次方us=__________s 2.(1)7.2×10的8次方km=________um =_________cm (2)5.6×10的6次方nm=----------km=--------cm (3)3.8×10的5次方um=--------cm=----------km 3.(1)120每小时1千米=_________每秒1米 (2)每1秒1米=________每小时1千米
答
1.(1)600mis=36000s (2)2h=7200s (3)100ms=0.1s (4)1ms=1000us (5)150min=2.5h (6)10的8次方us=100s 2.(1)7.2×10的8次方km=7.2×10的17次方um =7.2×10的13次方cm (2)5.6×10的6次方nm=5.6×10的-3次方km=5.6×10的...