Is 0.17 bigger than 0.28

No, 0.17 is not bigger than 0.28. When comparing decimals, you look at the digit in the tenths place first. In this case, 0.17 has a 1 in the tenths place, while 0.28 has a 2. Since 2 is greater than 1, 0.28 is larger than 0.17.