1/4 as decimal is ________
0.4
2.5
0.25
0.50
The decimal expansion that a rational number cannot have is
(a) 0.25
(b) 0.25¯¯¯¯¯¯28
(c)0.¯¯¯¯¯¯¯¯¯¯¯2528
(d) 0.5030030003...
Express each decimal as a percent:
0.4.