Answer:
C. 98.07
D. 98.13
Explanation:
In order to round to 98.1, the number must be 98.05 or greater, and must be less than 98.15.
98.15 will round to 98.2, so is not a possible choice.
Any number less than 98 will round to 98 or less, so will not round to 98.1.