题干

据市旅游局统计,今年“十•一”长假期间,我市旅游市场走势良好,假期旅游总收入达到1.5亿元,用科学记数法可以表示为(  )


A:1.5×106

B:1.5×107

C:1.5×108

D:1.5×109

上一题 下一题 0.0难度 选择题 更新时间:2013-11-02 09:01:47

答案(点此获取答案解析)

C

同类题4


-----What happened here yesterday?                          
-----An adventurer was walking at the foot of the mountain ______ suddenly a stone fell and hit him on the head.