This is a few problems.
To convert a mixed number to an improper fraction, multiply the denominator by the whole number, add that total to the numerator and put the whole thing over the original denominator.
To convert an improper fraction to a decimal, divide the denominator into the numerator.
To round a number to a particular digit, look at the digit immediately to the right of your target, in this case, the thousandths place. If that digit is 4 or lower, zero it and everything to the right of it out. If that digit is 5 or higher, increase the target digit by one and zero everything to the right of it out. If your target digit is a 9, increasing it will turn it to zero and increase the digit to the left of it by one.
3.08
94.99
To round 0.585 to the nearest hundredth, we look at the third decimal place, which is 5. Since 5 is equal to or greater than 5, we round up the second decimal place. Therefore, 0.585 rounded to the nearest hundredth is 0.59.
1.00
5.11
3.08
0.11
8.456 rounded to the nearest hundredth is 8.46
15.24
6.33
5.00
150.00
13.14
The decimal fraction 0.16 is already rounded to the nearest hundredth.
The decimal of .116 rounded up to the nearest hundredth is .12.
19.00
5.11 is a decimal, rounded to the nearest hundredth.