Answer:
728.63
Go to the hundredth digit and if the number to the right is bigger then 5 make the hundredths digit up one value. If it is four or below then don't change anything. After you round you have to change all the numbers to the right of the hundredth digit to zero.
Explanation:
Hundreth is the second place behind the decimal point.
728.6304281
The number stays the same because if it was higher than 5, you would round up. However, it is lower than 5, so it stays the same.
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