If you use the calculator function on you computer (look in the Accessories folder) you will find that the answer is 0.024 approx.
14.45
578
3.0909
0.5934
16.0556
17
0.29412 is. (rounded)
578.8333
9% of 578= 9% * 578= 0.09 * 578= 52.02
578 rounded to nearest ten = 580
578, 1156, 1734, 2312, 2890, 3468 +578 . . .
173.4= 30%/100% * 578= 0.3 * 578= 173.4