(1)23=63;
(2)∵a≥0,b>0,
∴9a2b3=3abb;
故答案为:63,3abb.
下列年份中,是闰年的是[ ]
A.1800年
B.1996年
C.1998年
Words like “discount” never fail to ________ people, specially women,though they might not need what is being promoted.
A.occur to
B.reply to
C.appeal to
D.stick to