9.8 is the middle number which is the median
Answer: x ≥ 6
Step-by-step explanation:
So 6 - 20 would equal -14 which is greater than -15 making it our inequality equal to or greater then 6
The number:

is going to be between the numbers 563 and 564; since 10 squared equals 100 and the decimal point will move to places to the right.
Therefore, the answer is D.