Going options by option- (a) 25 hundredths in decimal =0.25 (b) option (b) also correct (c) Area of square =30×30=900cm2 Area of rectangle =(4.5)m×(0.2)m=0.9m2 =(0.9×100×100)cm2=9000cm2 Hence, option(c) is not correct. (d) 2009 millilittres =2000 millilitres +9 millilitres = 2009 millilitres