The trailing zeros make no difference. They could both just be written as 5.3 instead, removing all the trailing zeros.
5300
10% of 5300 is 530. 530/2 is 265
5300
53% wrote as a fraction would be 53/100 or 530/1000 or 5300/10000.
530
530
5300
530 is the integer whose rational form is 530/1. Since the denominator is 1, it cannot be scaled down.
20% off of 5300 = 5300 - (0.2 x 5300) = 4240
This is equivalent to 16 hours.
5300
This is equivalent to 16 hours.